August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5120706)

Applies To
.NET

Note

  • Applies to:
  • Microsoft .NET Framework 4.8
Important The installation of this Extended Security Update (ESU) might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make sure all Subset of endpoints for ESU only are met as described in Connected Machine agent network requirements.

End of support information

Note

  • Windows Server 2012 R2 reached the end of support (EOS) on October 10, 2023. Extended Security Updates (ESUs) are available for purchase and will continue for three years, renewable on an annual basis, until the final date on October 13, 2026. For more information, see Windows Server End of Support: Key Dates. For information about the procedure to continue receiving security updates, see KB5031043.

                    We recommend that you upgrade to a later version of Windows Server. For more information, seeĀ [Overview of Windows Server upgrades](https://learn.microsoft.com/windows-server/get-started/upgrade-overview).
    
  • Windows Embedded 8 Standard reached the end of support (EOS) on July 11, 2023. Therefore, technical assistance and software updates are no longer provided.

Summary

The August 11, 2026 update for Windows Server 2012 R2 includes cumulative security and reliability improvements in .NET Framework 4.8.

Note

Note Verify that you have installed the required updates listed in the How to get this update section before installing this update.

Security Improvements

CVE-2026-65810 - .NET Framework Elevation of Privilege vulnerability
This security update addresses an elevation of privilege vulnerability detailed in CVE-2026-65810.

CVE-2026-62872 - .NET Framework Elevation of Privilege vulnerability
This security update addresses an elevation of privilege vulnerability detailed in CVE-2026-62872.

CVE-2026-62886 - .NET Framework Remote Code Execution vulnerability
This security update addresses a remote code execution vulnerability detailed in CVE-2026-62886.

CVE-2026-62897 - .NET Framework Remote Code Execution vulnerability
This security update addresses a remote code execution vulnerability detailed in CVE-2026-62897.

CVE-2026-70354 - .NET Framework Remote Code Execution vulnerability
This security update addresses a remote code execution vulnerability detailed in CVE-2026-70354.

CVE-2026-62902 - .NET Framework Information Disclosure vulnerability
This security update addresses an information disclosure vulnerability detailed in CVE-2026-62902.

Quality and Reliability Improvements

There are no new Quality and Reliability Improvements in this update.

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions.

  • 5121649 Description of the Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5121649)

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

Before installing this update

We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you use Windows Update, the latest SSU (KB5044411) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

Language packs

If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

To apply this update, you must have .NET Framework 4.8 installed.

Install this update

Release Channel Available Next Step
Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS) Yes This individual .NET Framework product update will be installed, as applicable, by applying the operating system update. For more information about operating system updates see additional information about this update section.

Restart requirement

You may need to restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Update deployment information

For deployment details for this security update, see the Deployments tab of the Microsoft Security Response Center (MSRC) Security Update Guide.

Update replacement information

This update replaces previously released updates KB5102205 and KB5088861.

File Information

File hash information

File name SHA256 hash
Windows8.1-KB5120706-x64-NDP48.msu 896D800B473EE819DA9B7F770108E54F3998F20999C999B3A8CC3B9F5E358D38
Windows8.1-KB5120706-x86-NDP48.msu E58E8E35AEB35003C1D0235AF6886102A3E5F5BA806206DD8B3C479CD951E3B2

For all supported x64-based versions

File name File version File size Date Time Platform SP requirement Service branch
Aspnet_regbrowsers.exe 4.8.4739.0 38,856 01-Jun-2024 05:18 x64 SPN AMD64_ASP
Aspnet_regsql.exe 4.8.4739.0 120,880 01-Jun-2024 05:26 x64 SPN AMD64_ASP
Mscorlib.dll 4.8.4795.0 5,493,816 29-May-2025 08:51 x64 None Not applicable
Normidna.nlp Not applicable 59,342 29-May-2025 04:37 Not applicable None Not applicable
Normnfc.nlp Not applicable 47,076 29-May-2025 04:37 Not applicable None Not applicable
Normnfd.nlp Not applicable 40,566 29-May-2025 04:37 Not applicable None Not applicable
Normnfkc.nlp Not applicable 67,808 29-May-2025 04:37 Not applicable None Not applicable
Normnfkd.nlp Not applicable 61,718 29-May-2025 04:37 Not applicable None Not applicable
Aspnet_perf.dll 4.8.4805.0 42,808 08-Jul-2026 04:55 x64 SPN AMD64_NETFX4-ASP
Aspnet_regiis.exe 4.8.4739.0 41,920 01-Jun-2024 05:18 x64 SPN AMD64_NETFX4-ASP
Aspnet_state_perf.h Not applicable 318 07-Jul-2026 23:46 Not applicable SPN AMD64_NETFX4-ASP
Aspnet_state_perf.ini Not applicable 42,996 08-Jul-2026 04:56 Not applicable SPN AMD64_NETFX4-ASP
Aspnet_wp.exe 4.8.4805.0 46,440 08-Jul-2026 04:55 x64 SPN AMD64_NETFX4-ASP
Clrcompression.dll 4.8.4749.0 141,864 11-Jul-2024 00:56 x64 None Not applicable
Clrjit.dll 4.8.4795.0 1,359,392 29-May-2025 08:51 x64 None Not applicable
Clr.dll 4.8.4795.0 11,712,568 29-May-2025 08:51 x64 None Not applicable
Compatjit.dll 4.8.4795.0 1,274,424 29-May-2025 08:51 x64 None Not applicable
Dfdll.dll 4.8.4801.0 216,096 03-Mar-2026 22:43 x64 None Not applicable
Diasymreader.dll 14.8.4775.0 1,498,656 03-Dec-2024 11:32 x64 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable SPA AMD64_NETFX4-GLOBALMONOSP
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 23-Jun-2026 08:03 Not applicable None Not applicable
Mscordacwks.dll 4.8.4795.0 1,803,792 29-May-2025 08:51 x64 None Not applicable
Mscordbi.dll 4.8.4795.0 1,655,832 29-May-2025 08:51 x64 None Not applicable
Mscoreei.dll 4.8.4180.0 689,952 26-Mar-2020 23:10 x64 None Not applicable
Mscorlib.ni.dll 4.8.4795.0 23,458,424 29-May-2025 09:00 x64 None Not applicable
Mscorpehost.dll 4.8.4739.0 188,848 01-Jun-2024 05:18 x64 None Not applicable
Mscorsvc.dll 4.8.4805.0 560,440 08-Jul-2026 04:55 x64 None Not applicable
Mscorsvw.exe 4.8.4805.0 154,048 08-Jul-2026 04:55 x64 None Not applicable
Ngentask.exe 4.8.4805.0 80,296 08-Jul-2026 04:55 x64 None Not applicable
Ngen.exe 4.8.4805.0 175,544 08-Jul-2026 04:55 x64 None Not applicable
Penimc.dll 14.8.4805.0 12,640 08-Jul-2026 04:55 x64 None Not applicable
Penimc2_v0400.dll 4.8.4805.0 122,168 08-Jul-2026 04:55 x64 None Not applicable
Penimc_v0400.dll 4.8.4805.0 21,344 08-Jul-2026 04:55 x64 None Not applicable
Peverify.dll 4.8.4795.0 266,808 29-May-2025 08:51 x64 None Not applicable
Presentationframework-systemdata.dll 4.8.4805.0 18,744 08-Jul-2026 05:14 x86 None Not applicable
Presentationframework.dll 4.8.4805.0 6,295,864 08-Jul-2026 05:14 x86 None Not applicable
Presentationhost_v0400.dll.mui 4.8.4805.0 78,648 08-Jul-2026 04:55 Not applicable None Not applicable
Presentationhost_v0400.dll 4.8.4805.0 303,928 08-Jul-2026 04:55 x64 None Not applicable
Presentationnative_v0400.dll 4.8.4805.0 1,165,112 08-Jul-2026 04:55 x64 None Not applicable
Reachframework.dll 4.8.4805.0 674,616 08-Jul-2026 05:14 x86 None Not applicable
Servicemodel.mof Not applicable 88,383 14-Feb-2026 04:26 Not applicable None Not applicable
Servicemodel.mof.uninstall Not applicable 896 14-Feb-2026 04:26 Not applicable None Not applicable
Servicemonikersupport.dll 4.8.4803.0 28,472 03-Jun-2026 19:52 x64 None Not applicable
Smdiagnostics.dll 4.8.4803.0 69,296 03-Jun-2026 19:14 x86 None Not applicable
_smsvchostperfcounters.h Not applicable 702 06-Dec-2019 22:20 Not applicable None Not applicable
_smsvchostperfcounters.ini Not applicable 133,894 07-Dec-2019 06:04 Not applicable None Not applicable
_smsvchostperfcounters_d.ini Not applicable 39 08-Nov-2019 03:11 Not applicable None Not applicable
Smsvchost.exe 4.8.4121.0 139,056 07-Dec-2019 06:03 x86 None Not applicable
Smsvchost.exe.config Not applicable 2,262 21-Nov-2019 02:58 Not applicable None Not applicable
Sos.dll 4.8.4795.0 923,176 29-May-2025 08:51 x64 None Not applicable
System.activities.presentation.dll 4.8.4526.0 2,121,104 06-May-2022 07:51 x86 None Not applicable
System.activities.dll 4.8.4803.0 1,529,600 03-Jun-2026 19:14 x86 None Not applicable
System.configuration.dll 4.8.4190.0 421,536 05-Jun-2020 05:04 x86 None Not applicable
System.core.dll 4.8.4805.0 1,551,024 08-Jul-2026 05:14 x86 None Not applicable
System.data.sqlxml.dll 4.8.4803.0 730,296 02-Jun-2026 23:58 x86 None Not applicable
System.deployment.dll 4.8.4801.0 1,600,920 03-Mar-2026 21:22 x86 None Not applicable
System.directoryservices.accountmanagement.dll 4.8.4770.0 293,912 25-Sep-2024 00:54 x86 None Not applicable
System.directoryservices.dll 4.8.4770.0 421,448 25-Sep-2024 00:54 x86 None Not applicable
System.drawing.design.dll 4.8.4210.0 125,192 30-Jun-2020 01:55 x86 None Not applicable
System.drawing.dll 4.8.4395.0 595,728 26-May-2021 00:23 x86 None Not applicable
System.identitymodel.services.dll 4.8.4803.0 192,352 02-Jun-2026 23:58 x86 None Not applicable
System.identitymodel.dll 4.8.4803.0 1,093,816 03-Jun-2026 19:14 x86 None Not applicable
System.io.compression.dll 4.8.4762.0 67,552 04-Sep-2024 22:55 x86 None Not applicable
System.management.dll 4.8.4450.0 408,856 05-Oct-2021 04:18 x86 None Not applicable
System.net.http.webrequest.dll 4.8.4803.0 46,848 02-Jun-2026 23:58 x86 None Not applicable
System.net.http.dll 4.8.4803.0 200,368 02-Jun-2026 23:58 x86 None Not applicable
System.net.sockets.dll 4.8.4121.0 30,360 07-Dec-2019 06:03 x86 None Not applicable
System.net.dll 4.8.4803.0 253,104 02-Jun-2026 23:58 x86 None Not applicable
System.runtime.caching.dll 4.8.4762.0 105,392 04-Sep-2024 22:55 x86 None Not applicable
System.runtime.remoting.dll 4.8.4690.0 343,008 30-Nov-2023 02:12 x86 None Not applicable
System.runtime.serialization.dll 4.8.4803.0 1,050,368 03-Jun-2026 19:14 x86 None Not applicable
System.security.dll 4.8.4803.0 326,400 02-Jun-2026 23:58 x86 None Not applicable
System.servicemodel.activities.dll 4.8.4261.0 555,384 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.channels.dll 4.8.4803.0 151,864 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.discovery.dll 4.8.4803.0 302,392 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.internals.dll 4.8.4803.0 249,608 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.washosting.dll 4.8.4803.0 34,104 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.web.dll 4.8.4261.0 321,792 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.dll 4.8.4803.0 6,388,912 03-Jun-2026 19:14 x86 None Not applicable
System.speech.dll 4.8.4210.0 676,736 30-Jun-2020 01:55 x86 SPE AMD64_NETFX4-SYSTEM.SP
System.web.applicationservices.dll 4.8.4805.0 66,816 08-Jul-2026 05:14 x86 None Not applicable
System.web.extensions.dll 4.8.4805.0 1,846,016 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.datavisualization.dll 4.8.4210.0 1,712,512 30-Jun-2020 01:55 x86 None Not applicable
System.windows.controls.ribbon.dll 4.8.4805.0 744,760 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.dll 4.8.4801.0 5,935,080 03-Mar-2026 21:22 x86 None Not applicable
System.workflow.activities.dll 4.8.4110.0 1,051,112 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.componentmodel.dll 4.8.4110.0 1,557,272 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.runtime.dll 4.8.4110.0 503,064 04-Dec-2019 02:55 x86 None Not applicable
System.xaml.dll 4.8.4805.0 636,592 08-Jul-2026 05:14 x86 None Not applicable
System.xml.dll 4.8.4803.0 2,643,712 02-Jun-2026 23:58 x86 None Not applicable
System.dll 4.8.4803.0 3,571,376 02-Jun-2026 23:58 x86 None Not applicable
Uiautomationclientsideproviders.dll 4.8.4805.0 358,712 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationclient.dll 4.8.4805.0 172,344 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationprovider.dll 4.8.4805.0 42,808 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationtypes.dll 4.8.4805.0 216,888 08-Jul-2026 05:14 x86 None Not applicable
Vbc.rsp Not applicable 1,467 23-Dec-2023 00:43 Not applicable SP_ AMD64_NETFX4-VBC.RSP
Vbc.exe 14.8.4739.0 3,228,640 01-Jun-2024 05:18 x64 None Not applicable
Vbc.exe.config Not applicable 182 01-Jun-2024 02:53 Not applicable None Not applicable
Webengine4.dll 4.8.4805.0 677,176 08-Jul-2026 04:55 x64 None Not applicable
Webengine.dll 4.8.4805.0 22,328 08-Jul-2026 04:55 x64 None Not applicable
Windowsbase.dll 4.8.4805.0 1,301,816 08-Jul-2026 05:14 x86 None Not applicable
Windowsformsintegration.dll 4.8.4614.0 102,336 14-Dec-2022 07:20 x86 None Not applicable
Workflowservicehostperformancecounters.dll 4.8.4110.0 102,672 04-Dec-2019 02:54 x64 None Not applicable
Wpfgfx_v0400.dll 4.8.4805.0 2,057,016 08-Jul-2026 04:55 x64 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable None Not applicable
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 07-Jul-2026 22:59 Not applicable None Not applicable
Presentationcore.dll 4.8.4805.0 3,665,720 08-Jul-2026 04:55 x64 None Not applicable
System.data.dll 4.8.4690.0 3,547,168 30-Nov-2023 02:04 x64 None Not applicable
System.printing.dll 4.8.4805.0 395,064 08-Jul-2026 04:55 x64 None Not applicable
System.web.dll 4.8.4805.0 5,401,912 08-Jul-2026 04:55 x64 None Not applicable
Presentationframework-systemdata.dll 4.8.4805.0 18,744 08-Jul-2026 05:14 x86 None Not applicable
Presentationframework.dll 4.8.4805.0 6,295,864 08-Jul-2026 05:14 x86 None Not applicable
Reachframework.dll 4.8.4805.0 674,616 08-Jul-2026 05:14 x86 None Not applicable
Smdiagnostics.dll 4.8.4803.0 69,296 03-Jun-2026 19:14 x86 None Not applicable
Smsvchost.exe 4.8.4121.0 139,056 07-Dec-2019 06:03 x86 None Not applicable
System.activities.presentation.dll 4.8.4526.0 2,121,104 06-May-2022 07:51 x86 None Not applicable
System.activities.dll 4.8.4803.0 1,529,600 03-Jun-2026 19:14 x86 None Not applicable
System.configuration.dll 4.8.4190.0 421,536 05-Jun-2020 05:04 x86 None Not applicable
System.core.dll 4.8.4805.0 1,551,024 08-Jul-2026 05:14 x86 None Not applicable
System.data.sqlxml.dll 4.8.4803.0 730,296 02-Jun-2026 23:58 x86 None Not applicable
System.deployment.dll 4.8.4801.0 1,600,920 03-Mar-2026 21:22 x86 None Not applicable
System.directoryservices.accountmanagement.dll 4.8.4770.0 293,912 25-Sep-2024 00:54 x86 None Not applicable
System.directoryservices.dll 4.8.4770.0 421,448 25-Sep-2024 00:54 x86 None Not applicable
System.drawing.design.dll 4.8.4210.0 125,192 30-Jun-2020 01:55 x86 None Not applicable
System.drawing.dll 4.8.4395.0 595,728 26-May-2021 00:23 x86 None Not applicable
System.identitymodel.services.dll 4.8.4803.0 192,352 02-Jun-2026 23:58 x86 None Not applicable
System.identitymodel.dll 4.8.4803.0 1,093,816 03-Jun-2026 19:14 x86 None Not applicable
System.io.compression.dll 4.8.4762.0 67,552 04-Sep-2024 22:55 x86 None Not applicable
System.management.dll 4.8.4450.0 408,856 05-Oct-2021 04:18 x86 None Not applicable
System.net.http.webrequest.dll 4.8.4803.0 46,848 02-Jun-2026 23:58 x86 None Not applicable
System.net.http.dll 4.8.4803.0 200,368 02-Jun-2026 23:58 x86 None Not applicable
System.net.sockets.dll 4.8.4121.0 30,360 07-Dec-2019 06:03 x86 None Not applicable
System.net.dll 4.8.4803.0 253,104 02-Jun-2026 23:58 x86 None Not applicable
System.runtime.caching.dll 4.8.4762.0 105,392 04-Sep-2024 22:55 x86 None Not applicable
System.runtime.remoting.dll 4.8.4690.0 343,008 30-Nov-2023 02:12 x86 None Not applicable
System.runtime.serialization.dll 4.8.4803.0 1,050,368 03-Jun-2026 19:14 x86 None Not applicable
System.security.dll 4.8.4803.0 326,400 02-Jun-2026 23:58 x86 None Not applicable
System.servicemodel.activities.dll 4.8.4261.0 555,384 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.channels.dll 4.8.4803.0 151,864 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.discovery.dll 4.8.4803.0 302,392 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.internals.dll 4.8.4803.0 249,608 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.washosting.dll 4.8.4803.0 34,104 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.web.dll 4.8.4261.0 321,792 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.dll 4.8.4803.0 6,388,912 03-Jun-2026 19:14 x86 None Not applicable
System.speech.dll 4.8.4210.0 676,736 30-Jun-2020 01:55 x86 SPE MSIL_SYSTEM.SP
System.web.applicationservices.dll 4.8.4805.0 66,816 08-Jul-2026 05:14 x86 None Not applicable
System.web.extensions.dll 4.8.4805.0 1,846,016 08-Jul-2026 05:14 x86 None Not applicable
System.windows.controls.ribbon.dll 4.8.4805.0 744,760 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.datavisualization.dll 4.8.4210.0 1,712,512 30-Jun-2020 01:55 x86 None Not applicable
System.windows.forms.dll 4.8.4801.0 5,935,080 03-Mar-2026 21:22 x86 None Not applicable
System.workflow.activities.dll 4.8.4110.0 1,051,112 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.componentmodel.dll 4.8.4110.0 1,557,272 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.runtime.dll 4.8.4110.0 503,064 04-Dec-2019 02:55 x86 None Not applicable
System.xaml.dll 4.8.4805.0 636,592 08-Jul-2026 05:14 x86 None Not applicable
System.xml.dll 4.8.4803.0 2,643,712 02-Jun-2026 23:58 x86 None Not applicable
System.dll 4.8.4803.0 3,571,376 02-Jun-2026 23:58 x86 None Not applicable
Uiautomationclientsideproviders.dll 4.8.4805.0 358,712 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationclient.dll 4.8.4805.0 172,344 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationprovider.dll 4.8.4805.0 42,808 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationtypes.dll 4.8.4805.0 216,888 08-Jul-2026 05:14 x86 None Not applicable
Windowsbase.dll 4.8.4805.0 1,301,816 08-Jul-2026 05:14 x86 None Not applicable
Windowsformsintegration.dll 4.8.4614.0 102,336 14-Dec-2022 07:20 x86 None Not applicable
Aspnet_regbrowsers.exe 4.8.4739.0 39,496 01-Jun-2024 06:11 x86 SPN X86_ASP
Aspnet_regsql.exe 4.8.4739.0 121,280 01-Jun-2024 06:11 x86 SPN X86_ASP
Mscorlib.dll 4.8.4795.0 5,731,384 29-May-2025 09:00 x86 None Not applicable
Normidna.nlp Not applicable 59,342 29-May-2025 04:37 Not applicable None Not applicable
Normnfc.nlp Not applicable 47,076 29-May-2025 04:37 Not applicable None Not applicable
Normnfd.nlp Not applicable 40,566 29-May-2025 04:37 Not applicable None Not applicable
Normnfkc.nlp Not applicable 67,808 29-May-2025 04:37 Not applicable None Not applicable
Normnfkd.nlp Not applicable 61,718 29-May-2025 04:37 Not applicable None Not applicable
Aspnet_perf.dll 4.8.4805.0 37,216 08-Jul-2026 05:14 x86 SPN X86_NETFX4-ASP
Aspnet_regiis.exe 4.8.4739.0 36,288 01-Jun-2024 06:01 x86 SPN X86_NETFX4-ASP
Aspnet_state_perf.h Not applicable 318 07-Jul-2026 23:44 Not applicable SPN X86_NETFX4-ASP
Aspnet_state_perf.ini Not applicable 42,996 08-Jul-2026 05:16 Not applicable SPN X86_NETFX4-ASP
Aspnet_wp.exe 4.8.4805.0 40,808 08-Jul-2026 05:14 x86 SPN X86_NETFX4-ASP
Clrcompression.dll 4.8.4749.0 123,832 11-Jul-2024 00:57 x86 None Not applicable
Clrjit.dll 4.8.4795.0 556,088 29-May-2025 09:00 x86 None Not applicable
Clr.dll 4.8.4795.0 8,661,576 29-May-2025 09:00 x86 None Not applicable
Dfdll.dll 4.8.4801.0 179,224 03-Mar-2026 21:22 x86 None Not applicable
Diasymreader.dll 14.8.4775.0 1,082,424 03-Dec-2024 11:41 x86 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable SPA X86_NETFX4-GLOBALMONOSP
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 23-Jun-2026 08:03 Not applicable None Not applicable
Mscordacwks.dll 4.8.4795.0 1,308,688 29-May-2025 09:00 x86 None Not applicable
Mscordbi.dll 4.8.4795.0 1,189,392 29-May-2025 09:00 x86 None Not applicable
Mscoreei.dll 4.8.4180.0 581,920 26-Mar-2020 23:11 x86 None Not applicable
Mscorlib.ni.dll 4.8.4795.0 21,332,576 29-May-2025 09:00 x86 None Not applicable
Mscorpehost.dll 4.8.4739.0 152,496 01-Jun-2024 06:01 x86 None Not applicable
Mscorsvc.dll 4.8.4805.0 455,480 08-Jul-2026 05:14 x86 None Not applicable
Mscorsvw.exe 4.8.4805.0 127,896 08-Jul-2026 05:14 x86 None Not applicable
Ngentask.exe 4.8.4805.0 81,280 08-Jul-2026 05:14 x86 None Not applicable
Ngen.exe 4.8.4805.0 145,336 08-Jul-2026 05:14 x86 None Not applicable
Penimc.dll 14.8.4805.0 12,640 08-Jul-2026 05:14 x86 None Not applicable
Penimc2_v0400.dll 4.8.4805.0 100,664 08-Jul-2026 05:14 x86 None Not applicable
Penimc_v0400.dll 4.8.4805.0 19,256 08-Jul-2026 05:14 x86 None Not applicable
Peverify.dll 4.8.4795.0 183,832 29-May-2025 09:00 x86 None Not applicable
Presentationhost_v0400.dll.mui 4.8.4805.0 78,688 08-Jul-2026 05:14 Not applicable None Not applicable
Presentationhost_v0400.dll 4.8.4805.0 234,808 08-Jul-2026 05:14 x86 None Not applicable
Presentationnative_v0400.dll 4.8.4805.0 923,960 08-Jul-2026 05:14 x86 None Not applicable
Servicemonikersupport.dll 4.8.4803.0 25,400 03-Jun-2026 19:14 x86 None Not applicable
Smsvchost.exe.config Not applicable 2,262 25-Jul-2019 21:42 Not applicable None Not applicable
Sos.dll 4.8.4795.0 769,040 29-May-2025 09:00 x86 None Not applicable
System.core.dll 4.8.4805.0 1,551,024 08-Jul-2026 05:14 x86 None Not applicable
System.net.dll 4.8.4803.0 253,104 02-Jun-2026 23:58 x86 None Not applicable
System.web.extensions.dll 4.8.4805.0 1,846,016 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.datavisualization.dll 4.8.4210.0 1,712,512 30-Jun-2020 01:55 x86 None Not applicable
Vbc.rsp Not applicable 1,467 01-Jun-2024 02:48 Not applicable SP_ X86_NETFX4-VBC.RSP
Vbc.exe 14.8.4739.0 2,619,472 01-Jun-2024 06:01 x86 None Not applicable
Vbc.exe.config Not applicable 182 01-Jun-2024 04:11 Not applicable None Not applicable
Webengine4.dll 4.8.4805.0 566,072 08-Jul-2026 05:14 x86 None Not applicable
Webengine.dll 4.8.4805.0 20,320 08-Jul-2026 05:14 x86 None Not applicable
Workflowservicehostperformancecounters.dll 4.8.4110.0 89,368 04-Dec-2019 02:55 x86 None Not applicable
Wpfgfx_v0400.dll 4.8.4805.0 1,624,376 08-Jul-2026 05:14 x86 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable None Not applicable
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 23-Jun-2026 08:03 Not applicable None Not applicable
Presentationcore.dll 4.8.4805.0 3,688,800 08-Jul-2026 05:14 x86 None Not applicable
System.data.dll 4.8.4690.0 3,480,608 30-Nov-2023 02:12 x86 None Not applicable
System.printing.dll 4.8.4805.0 395,064 08-Jul-2026 05:14 x86 None Not applicable
System.web.dll 4.8.4805.0 5,414,712 08-Jul-2026 05:14 x86 None Not applicable

For all supported x86-based versions

File name File version File size Date Time Platform SP requirement Service branch
Presentationframework-systemdata.dll 4.8.4805.0 18,744 08-Jul-2026 05:14 x86 None Not applicable
Presentationframework.dll 4.8.4805.0 6,295,864 08-Jul-2026 05:14 x86 None Not applicable
Reachframework.dll 4.8.4805.0 674,616 08-Jul-2026 05:14 x86 None Not applicable
Smdiagnostics.dll 4.8.4803.0 69,296 03-Jun-2026 19:14 x86 None Not applicable
Smsvchost.exe 4.8.4121.0 139,056 07-Dec-2019 06:03 x86 None Not applicable
System.activities.presentation.dll 4.8.4526.0 2,121,104 06-May-2022 07:51 x86 None Not applicable
System.activities.dll 4.8.4803.0 1,529,600 03-Jun-2026 19:14 x86 None Not applicable
System.configuration.dll 4.8.4190.0 421,536 05-Jun-2020 05:04 x86 None Not applicable
System.core.dll 4.8.4805.0 1,551,024 08-Jul-2026 05:14 x86 None Not applicable
System.data.sqlxml.dll 4.8.4803.0 730,296 02-Jun-2026 23:58 x86 None Not applicable
System.deployment.dll 4.8.4801.0 1,600,920 03-Mar-2026 21:22 x86 None Not applicable
System.directoryservices.accountmanagement.dll 4.8.4770.0 293,912 25-Sep-2024 00:54 x86 None Not applicable
System.directoryservices.dll 4.8.4770.0 421,448 25-Sep-2024 00:54 x86 None Not applicable
System.drawing.design.dll 4.8.4210.0 125,192 30-Jun-2020 01:55 x86 None Not applicable
System.drawing.dll 4.8.4395.0 595,728 26-May-2021 00:23 x86 None Not applicable
System.identitymodel.services.dll 4.8.4803.0 192,352 02-Jun-2026 23:58 x86 None Not applicable
System.identitymodel.dll 4.8.4803.0 1,093,816 03-Jun-2026 19:14 x86 None Not applicable
System.io.compression.dll 4.8.4762.0 67,552 04-Sep-2024 22:55 x86 None Not applicable
System.management.dll 4.8.4450.0 408,856 05-Oct-2021 04:18 x86 None Not applicable
System.net.http.webrequest.dll 4.8.4803.0 46,848 02-Jun-2026 23:58 x86 None Not applicable
System.net.http.dll 4.8.4803.0 200,368 02-Jun-2026 23:58 x86 None Not applicable
System.net.sockets.dll 4.8.4121.0 30,360 07-Dec-2019 06:03 x86 None Not applicable
System.net.dll 4.8.4803.0 253,104 02-Jun-2026 23:58 x86 None Not applicable
System.runtime.caching.dll 4.8.4762.0 105,392 04-Sep-2024 22:55 x86 None Not applicable
System.runtime.remoting.dll 4.8.4690.0 343,008 30-Nov-2023 02:12 x86 None Not applicable
System.runtime.serialization.dll 4.8.4803.0 1,050,368 03-Jun-2026 19:14 x86 None Not applicable
System.security.dll 4.8.4803.0 326,400 02-Jun-2026 23:58 x86 None Not applicable
System.servicemodel.activities.dll 4.8.4261.0 555,384 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.channels.dll 4.8.4803.0 151,864 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.discovery.dll 4.8.4803.0 302,392 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.internals.dll 4.8.4803.0 249,608 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.washosting.dll 4.8.4803.0 34,104 03-Jun-2026 19:14 x86 None Not applicable
System.servicemodel.web.dll 4.8.4261.0 321,792 02-Sep-2020 21:05 x86 None Not applicable
System.servicemodel.dll 4.8.4803.0 6,388,912 03-Jun-2026 19:14 x86 None Not applicable
System.speech.dll 4.8.4210.0 676,736 30-Jun-2020 01:55 x86 SPE MSIL_SYSTEM.SP
System.web.applicationservices.dll 4.8.4805.0 66,816 08-Jul-2026 05:14 x86 None Not applicable
System.web.extensions.dll 4.8.4805.0 1,846,016 08-Jul-2026 05:14 x86 None Not applicable
System.windows.controls.ribbon.dll 4.8.4805.0 744,760 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.datavisualization.dll 4.8.4210.0 1,712,512 30-Jun-2020 01:55 x86 None Not applicable
System.windows.forms.dll 4.8.4801.0 5,935,080 03-Mar-2026 21:22 x86 None Not applicable
System.workflow.activities.dll 4.8.4110.0 1,051,112 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.componentmodel.dll 4.8.4110.0 1,557,272 04-Dec-2019 02:55 x86 None Not applicable
System.workflow.runtime.dll 4.8.4110.0 503,064 04-Dec-2019 02:55 x86 None Not applicable
System.xaml.dll 4.8.4805.0 636,592 08-Jul-2026 05:14 x86 None Not applicable
System.xml.dll 4.8.4803.0 2,643,712 02-Jun-2026 23:58 x86 None Not applicable
System.dll 4.8.4803.0 3,571,376 02-Jun-2026 23:58 x86 None Not applicable
Uiautomationclientsideproviders.dll 4.8.4805.0 358,712 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationclient.dll 4.8.4805.0 172,344 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationprovider.dll 4.8.4805.0 42,808 08-Jul-2026 05:14 x86 None Not applicable
Uiautomationtypes.dll 4.8.4805.0 216,888 08-Jul-2026 05:14 x86 None Not applicable
Windowsbase.dll 4.8.4805.0 1,301,816 08-Jul-2026 05:14 x86 None Not applicable
Windowsformsintegration.dll 4.8.4614.0 102,336 14-Dec-2022 07:20 x86 None Not applicable
Aspnet_regbrowsers.exe 4.8.4739.0 39,496 01-Jun-2024 06:11 x86 SPN X86_ASP
Aspnet_regsql.exe 4.8.4739.0 121,280 01-Jun-2024 06:11 x86 SPN X86_ASP
Mscorlib.dll 4.8.4795.0 5,731,384 29-May-2025 09:00 x86 None Not applicable
Normidna.nlp Not applicable 59,342 29-May-2025 04:37 Not applicable None Not applicable
Normnfc.nlp Not applicable 47,076 29-May-2025 04:37 Not applicable None Not applicable
Normnfd.nlp Not applicable 40,566 29-May-2025 04:37 Not applicable None Not applicable
Normnfkc.nlp Not applicable 67,808 29-May-2025 04:37 Not applicable None Not applicable
Normnfkd.nlp Not applicable 61,718 29-May-2025 04:37 Not applicable None Not applicable
Aspnet_perf.dll 4.8.4805.0 37,216 08-Jul-2026 05:14 x86 SPN X86_NETFX4-ASP
Aspnet_regiis.exe 4.8.4739.0 36,288 01-Jun-2024 06:01 x86 SPN X86_NETFX4-ASP
Aspnet_state_perf.h Not applicable 318 07-Jul-2026 23:44 Not applicable SPN X86_NETFX4-ASP
Aspnet_state_perf.ini Not applicable 42,996 08-Jul-2026 05:16 Not applicable SPN X86_NETFX4-ASP
Aspnet_wp.exe 4.8.4805.0 40,808 08-Jul-2026 05:14 x86 SPN X86_NETFX4-ASP
Clrcompression.dll 4.8.4749.0 123,832 11-Jul-2024 00:57 x86 None Not applicable
Clrjit.dll 4.8.4795.0 556,088 29-May-2025 09:00 x86 None Not applicable
Clr.dll 4.8.4795.0 8,661,576 29-May-2025 09:00 x86 None Not applicable
Dfdll.dll 4.8.4801.0 179,224 03-Mar-2026 21:22 x86 None Not applicable
Diasymreader.dll 14.8.4775.0 1,082,424 03-Dec-2024 11:41 x86 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable SPA X86_NETFX4-GLOBALMONOSP
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 23-Jun-2026 08:03 Not applicable None Not applicable
Mscordacwks.dll 4.8.4795.0 1,308,688 29-May-2025 09:00 x86 None Not applicable
Mscordbi.dll 4.8.4795.0 1,189,392 29-May-2025 09:00 x86 None Not applicable
Mscoreei.dll 4.8.4180.0 581,920 26-Mar-2020 23:11 x86 None Not applicable
Mscorlib.ni.dll 4.8.4795.0 21,332,576 29-May-2025 09:00 x86 None Not applicable
Mscorpehost.dll 4.8.4739.0 152,496 01-Jun-2024 06:01 x86 None Not applicable
Mscorsvc.dll 4.8.4805.0 455,480 08-Jul-2026 05:14 x86 None Not applicable
Mscorsvw.exe 4.8.4805.0 127,896 08-Jul-2026 05:14 x86 None Not applicable
Ngentask.exe 4.8.4805.0 81,280 08-Jul-2026 05:14 x86 None Not applicable
Ngen.exe 4.8.4805.0 145,336 08-Jul-2026 05:14 x86 None Not applicable
Penimc.dll 14.8.4805.0 12,640 08-Jul-2026 05:14 x86 None Not applicable
Penimc2_v0400.dll 4.8.4805.0 100,664 08-Jul-2026 05:14 x86 None Not applicable
Penimc_v0400.dll 4.8.4805.0 19,256 08-Jul-2026 05:14 x86 None Not applicable
Peverify.dll 4.8.4795.0 183,832 29-May-2025 09:00 x86 None Not applicable
Presentationhost_v0400.dll.mui 4.8.4805.0 78,688 08-Jul-2026 05:14 Not applicable None Not applicable
Presentationhost_v0400.dll 4.8.4805.0 234,808 08-Jul-2026 05:14 x86 None Not applicable
Presentationnative_v0400.dll 4.8.4805.0 923,960 08-Jul-2026 05:14 x86 None Not applicable
Servicemodel.mof Not applicable 88,383 26-Jan-2026 12:13 Not applicable None Not applicable
Servicemodel.mof.uninstall Not applicable 896 26-Jan-2026 12:13 Not applicable None Not applicable
Servicemonikersupport.dll 4.8.4803.0 25,400 03-Jun-2026 19:14 x86 None Not applicable
_smsvchostperfcounters.h Not applicable 702 06-Dec-2019 22:20 Not applicable None Not applicable
_smsvchostperfcounters.ini Not applicable 133,894 07-Dec-2019 06:04 Not applicable None Not applicable
_smsvchostperfcounters_d.ini Not applicable 39 09-Nov-2019 00:37 Not applicable None Not applicable
Smsvchost.exe.config Not applicable 2,262 25-Jul-2019 21:42 Not applicable None Not applicable
Sos.dll 4.8.4795.0 769,040 29-May-2025 09:00 x86 None Not applicable
System.core.dll 4.8.4805.0 1,551,024 08-Jul-2026 05:14 x86 None Not applicable
System.net.dll 4.8.4803.0 253,104 02-Jun-2026 23:58 x86 None Not applicable
System.web.extensions.dll 4.8.4805.0 1,846,016 08-Jul-2026 05:14 x86 None Not applicable
System.windows.forms.datavisualization.dll 4.8.4210.0 1,712,512 30-Jun-2020 01:55 x86 None Not applicable
Vbc.rsp Not applicable 1,467 01-Jun-2024 02:48 Not applicable SP_ X86_NETFX4-VBC.RSP
Vbc.exe 14.8.4739.0 2,619,472 01-Jun-2024 06:01 x86 None Not applicable
Vbc.exe.config Not applicable 182 01-Jun-2024 04:11 Not applicable None Not applicable
Webengine4.dll 4.8.4805.0 566,072 08-Jul-2026 05:14 x86 None Not applicable
Webengine.dll 4.8.4805.0 20,320 08-Jul-2026 05:14 x86 None Not applicable
Workflowservicehostperformancecounters.dll 4.8.4110.0 89,368 04-Dec-2019 02:55 x86 None Not applicable
Wpfgfx_v0400.dll 4.8.4805.0 1,624,376 08-Jul-2026 05:14 x86 None Not applicable
Globalmonospace.compositefont Not applicable 26,040 23-Jun-2026 08:03 Not applicable None Not applicable
Globalsansserif.compositefont Not applicable 26,489 23-Jun-2026 08:03 Not applicable None Not applicable
Globalserif.compositefont Not applicable 29,779 23-Jun-2026 08:03 Not applicable None Not applicable
Globaluserinterface.compositefont Not applicable 265,971 23-Jun-2026 08:03 Not applicable None Not applicable
Presentationcore.dll 4.8.4805.0 3,688,800 08-Jul-2026 05:14 x86 None Not applicable
System.data.dll 4.8.4690.0 3,480,608 30-Nov-2023 02:12 x86 None Not applicable
System.printing.dll 4.8.4805.0 395,064 08-Jul-2026 05:14 x86 None Not applicable
System.web.dll 4.8.4805.0 5,414,712 08-Jul-2026 05:14 x86 None Not applicable

How to obtain help and support for this update