Note
- IMPORTANT
- This update was originally released in the Security and Quality Rollup that’s dated October 8, 2024. This update is included in the Security and Quality Rollup that’s dated September 9, 2025. There is no change to this update with this release on September 9, 2025. If you have previously installed this update no action is needed.
Note
- Applies to:
- Microsoft .NET Framework 3.5
The October 8, 2024 update for Windows Server 2012 includes cumulative security and reliability improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines. Verify that you have installed the required updates listed in the How to get this update section before installing this update.
Summary
Security Improvements
CVE-2024-43483 - .NET Framework Denial of service vulnerability
This security update addresses a denial-of-service vulnerability detailed in n CVE-2024-43483 .
CVE-2024-43484 - .NET Framework Denial of service vulnerability
This security update addresses a denial-of-service vulnerability detailed in n CVE-2024-43484 .
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.
- 5065959 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 (KB5065959)
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
Prerequisite:
To apply this update, you must have .NET Framework 3.5 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 KB5041022 and KB5042355.
File Information
File hash information
| File name | SHA256 hash |
|---|---|
| windows8-rt-kb5044009-x64.msu | 07D038ADBDAEF0D1D2CBA2FC0FBA9580BF4AEBAC140F66C8C1332F18161F8D30 |
For all supported x64-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
|---|---|---|---|---|---|---|---|
| Aspnet_regbrowsers.exe | 2.0.50727.8977 | 13,312 | 13-Jun-2024 | 20:40 | x64 | SPN | AMD64_ASP |
| Aspnet_regsql.exe | 2.0.50727.8977 | 102,400 | 13-Jun-2024 | 20:40 | x64 | SPN | AMD64_ASP |
| Big5.nlp | Not applicable | 66,728 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Bopomofo.nlp | Not applicable | 82,172 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Ksc.nlp | Not applicable | 116,756 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Mscorlib.dll | 2.0.50727.8980 | 4,644,864 | 18-Jul-2024 | 01:03 | x64 | None | Not applicable |
| Normidna.nlp | Not applicable | 59,342 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfc.nlp | Not applicable | 45,794 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfd.nlp | Not applicable | 39,284 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfkc.nlp | Not applicable | 66,384 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfkd.nlp | Not applicable | 60,294 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Prc.nlp | Not applicable | 83,748 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Prcp.nlp | Not applicable | 83,748 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Sortkey.nlp | Not applicable | 262,148 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Sorttbls.nlp | Not applicable | 20,320 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Xjis.nlp | Not applicable | 28,288 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Aspnet_regiis.exe | 2.0.50727.8977 | 49,104 | 13-Jun-2024 | 20:40 | x64 | SPN | AMD64_NETFX-ASP |
| Aspnet_wp.exe | 2.0.50727.8975 | 46,520 | 04-Oct-2023 | 00:24 | x64 | SPN | AMD64_NETFX-ASP |
| Mscordacwks.dll | 2.0.50727.8980 | 1,760,704 | 18-Jul-2024 | 01:03 | x64 | None | Not applicable |
| Mscorjit.dll | 2.0.50727.8977 | 1,577,904 | 13-Jun-2024 | 20:40 | x64 | None | Not applicable |
| Mscorpe.dll | 2.0.50727.8977 | 169,904 | 13-Jun-2024 | 20:40 | x64 | None | Not applicable |
| Mscorsvc.dll | 2.0.50727.8793 | 495,232 | 24-Jul-2018 | 15:10 | x64 | None | Not applicable |
| Mscorwks.dll | 2.0.50727.8980 | 10,627,008 | 18-Jul-2024 | 01:03 | x64 | None | Not applicable |
| Peverify.dll | 2.0.50727.8977 | 212,400 | 13-Jun-2024 | 20:40 | x64 | None | Not applicable |
| Sos.dll | 2.0.50727.8980 | 489,392 | 18-Jul-2024 | 01:03 | x64 | None | Not applicable |
| System.configuration.dll | 2.0.50727.8953 | 430,080 | 03-Sep-2020 | 13:17 | x86 | None | Not applicable |
| System.data.sqlxml.dll | 2.0.50727.8773 | 745,472 | 01-Dec-2017 | 13:13 | x86 | None | Not applicable |
| System.directoryservices.dll | 2.0.50727.8964 | 401,408 | 05-Apr-2022 | 00:12 | x86 | None | Not applicable |
| System.management.dll | 2.0.50727.8766 | 389,120 | 12-Jul-2017 | 13:09 | x86 | None | Not applicable |
| System.runtime.remoting.dll | 2.0.50727.8976 | 307,200 | 06-Dec-2023 | 01:18 | x86 | None | Not applicable |
| System.security.dll | 2.0.50727.8953 | 274,432 | 03-Sep-2020 | 13:17 | x86 | None | Not applicable |
| System.web.regularexpressions.dll | 2.0.50727.8975 | 98,304 | 04-Oct-2023 | 00:24 | x86 | None | Not applicable |
| System.xml.dll | 2.0.50727.8773 | 2,056,192 | 01-Dec-2017 | 13:13 | x86 | None | Not applicable |
| System.dll | 2.0.50727.8976 | 3,211,264 | 06-Dec-2023 | 01:18 | x86 | None | Not applicable |
| Vbc.exe | 8.0.50727.8977 | 1,806,816 | 13-Jun-2024 | 20:40 | x64 | None | Not applicable |
| Vbc.rsp | Not applicable | 1,070 | 13-Jun-2024 | 20:40 | Not applicable | None | Not applicable |
| Webengine.dll | 2.0.50727.8975 | 750,112 | 04-Oct-2023 | 00:24 | x64 | None | Not applicable |
| Wminet_utils.dll | 2.0.50727.8766 | 140,960 | 12-Jul-2017 | 13:09 | x64 | None | Not applicable |
| System.web.extensions.dll | 3.5.30729.8966 | 1,282,048 | 06-Mar-2024 | 01:19 | x86 | None | Not applicable |
| Vbc.exe | 9.0.30729.8971 | 2,365,008 | 13-Jun-2024 | 20:41 | x64 | None | Not applicable |
| Vbc.rsp | Not applicable | 1,489 | 30-Dec-2023 | 00:50 | Not applicable | None | Not applicable |
| Vbc7ui.dll | 9.0.30729.6400 | 231,512 | 13-Jun-2024 | 20:41 | x64 | None | Not applicable |
| Presentationcore.dll | 3.0.6920.8974 | 4,006,400 | 10-Sep-2024 | 01:24 | x64 | None | Not applicable |
| Presentationfontcache.exe.config | Not applicable | 161 | 09-Jul-2024 | 03:19 | Not applicable | None | Not applicable |
| Wpfgfx_v0300.dll | 3.0.6920.8974 | 2,259,528 | 10-Sep-2024 | 01:24 | x64 | None | Not applicable |
| System.data.dll | 2.0.50727.8976 | 3,158,528 | 06-Dec-2023 | 01:18 | x64 | None | Not applicable |
| System.printing.dll | 3.0.6920.8974 | 358,400 | 10-Sep-2024 | 01:24 | x64 | None | Not applicable |
| System.web.dll | 2.0.50727.8975 | 5,300,224 | 04-Oct-2023 | 00:24 | x64 | None | Not applicable |
| Servicemonikersupport.dll | 3.0.4506.8841 | 30,192 | 27-Mar-2020 | 13:11 | x64 | None | Not applicable |
| Smdiagnostics.dll | 3.0.4506.8841 | 94,208 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| Smsvchost.exe | 3.0.4506.8841 | 127,488 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.identitymodel.dll | 3.0.4506.8841 | 405,504 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.runtime.serialization.dll | 3.0.4506.8841 | 847,872 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.runtime.serialization.dll | 3.0.4506.8841 | 847,872 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.dll | 3.0.4506.8841 | 5,337,088 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.washosting.dll | 3.0.4506.8841 | 32,768 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.dll | 3.0.4506.8841 | 5,337,088 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| Penimc.dll | 3.0.6920.8974 | 89,120 | 10-Sep-2024 | 01:24 | x64 | None | Not applicable |
| Presentationframework.dll | 3.0.6920.8974 | 4,653,056 | 10-Sep-2024 | 01:24 | x86 | None | Not applicable |
| Presentationhostdll.dll | 3.0.6920.8974 | 175,648 | 10-Sep-2024 | 01:24 | x64 | None | Not applicable |
| Reachframework.dll | 3.0.6920.8974 | 536,576 | 10-Sep-2024 | 01:24 | x86 | None | Not applicable |
| Windowsbase.dll | 3.0.6920.8974 | 1,122,304 | 10-Sep-2024 | 01:24 | x86 | None | Not applicable |
| System.workflow.activities.dll | 3.0.4203.8833 | 1,060,864 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.componentmodel.dll | 3.0.4203.8833 | 1,531,904 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.runtime.dll | 3.0.4203.8833 | 454,656 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| Presentationframework.dll | 3.0.6920.8974 | 5,296,128 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Reachframework.dll | 3.0.6920.8974 | 536,576 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Smdiagnostics.dll | 3.0.4506.8841 | 110,592 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| Smsvchost.exe | 3.0.4506.8841 | 139,568 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.configuration.dll | 2.0.50727.8953 | 430,080 | 03-Sep-2020 | 13:16 | x86 | None | Not applicable |
| System.data.sqlxml.dll | 2.0.50727.8773 | 745,472 | 01-Dec-2017 | 13:05 | x86 | None | Not applicable |
| System.directoryservices.dll | 2.0.50727.8964 | 401,408 | 05-Apr-2022 | 00:12 | x86 | None | Not applicable |
| System.identitymodel.dll | 3.0.4506.8841 | 446,464 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.management.dll | 2.0.50727.8766 | 389,120 | 12-Jul-2017 | 13:09 | x86 | None | Not applicable |
| System.runtime.remoting.dll | 2.0.50727.8976 | 307,200 | 06-Dec-2023 | 01:18 | x86 | None | Not applicable |
| System.runtime.serialization.dll | 3.0.4506.8841 | 970,752 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.runtime.serialization.dll | 3.0.4506.8841 | 970,752 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.security.dll | 2.0.50727.8953 | 274,432 | 03-Sep-2020 | 13:16 | x86 | None | Not applicable |
| System.servicemodel.dll | 3.0.4506.8841 | 5,996,544 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.washosting.dll | 3.0.4506.8841 | 32,768 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.dll | 3.0.4506.8841 | 5,996,544 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.web.extensions.dll | 3.5.30729.8966 | 1,282,048 | 06-Mar-2024 | 01:19 | x86 | None | Not applicable |
| System.web.regularexpressions.dll | 2.0.50727.8975 | 98,304 | 04-Oct-2023 | 00:23 | x86 | None | Not applicable |
| System.workflow.activities.dll | 3.0.4203.8833 | 1,142,784 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.componentmodel.dll | 3.0.4203.8833 | 1,638,400 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.runtime.dll | 3.0.4203.8833 | 540,672 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.xml.dll | 2.0.50727.8773 | 2,056,192 | 01-Dec-2017 | 13:05 | x86 | None | Not applicable |
| System.dll | 2.0.50727.8976 | 3,211,264 | 06-Dec-2023 | 01:17 | x86 | None | Not applicable |
| Windowsbase.dll | 3.0.6920.8974 | 1,261,568 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Aspnet_regbrowsers.exe | 2.0.50727.8977 | 24,576 | 11-Jun-2024 | 01:29 | x86 | SPN | X86_ASP |
| Aspnet_regsql.exe | 2.0.50727.8977 | 106,496 | 11-Jun-2024 | 01:29 | x86 | SPN | X86_ASP |
| Big5.nlp | Not applicable | 66,728 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Bopomofo.nlp | Not applicable | 82,172 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Ksc.nlp | Not applicable | 116,756 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Mscorlib.dll | 2.0.50727.8980 | 4,628,480 | 18-Jul-2024 | 01:03 | x86 | None | Not applicable |
| Normidna.nlp | Not applicable | 59,342 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfc.nlp | Not applicable | 45,794 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfd.nlp | Not applicable | 39,284 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfkc.nlp | Not applicable | 66,384 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Normnfkd.nlp | Not applicable | 60,294 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Prc.nlp | Not applicable | 83,748 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Prcp.nlp | Not applicable | 83,748 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Sortkey.nlp | Not applicable | 262,148 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Sorttbls.nlp | Not applicable | 20,320 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Xjis.nlp | Not applicable | 28,288 | 09-Jul-2024 | 03:18 | Not applicable | None | Not applicable |
| Aspnet_regiis.exe | 2.0.50727.8977 | 34,360 | 11-Jun-2024 | 01:29 | x86 | SPN | X86_NETFX-ASP |
| Aspnet_wp.exe | 2.0.50727.8975 | 34,760 | 04-Oct-2023 | 00:23 | x86 | SPN | X86_NETFX-ASP |
| Mscordacwks.dll | 2.0.50727.8980 | 993,720 | 18-Jul-2024 | 01:03 | x86 | None | Not applicable |
| Mscorjit.dll | 2.0.50727.8977 | 368,064 | 11-Jun-2024 | 01:29 | x86 | None | Not applicable |
| Mscorpe.dll | 2.0.50727.8977 | 115,136 | 11-Jun-2024 | 01:29 | x86 | None | Not applicable |
| Mscorsvc.dll | 2.0.50727.8793 | 231,992 | 24-Jul-2018 | 15:10 | x86 | None | Not applicable |
| Mscorwks.dll | 2.0.50727.8980 | 6,414,256 | 18-Jul-2024 | 01:03 | x86 | None | Not applicable |
| Peverify.dll | 2.0.50727.8977 | 145,440 | 11-Jun-2024 | 01:29 | x86 | None | Not applicable |
| Sos.dll | 2.0.50727.8980 | 393,264 | 18-Jul-2024 | 01:03 | x86 | None | Not applicable |
| Vbc.exe | 8.0.50727.8977 | 1,175,136 | 11-Jun-2024 | 01:29 | x86 | None | Not applicable |
| Vbc.rsp | Not applicable | 1,070 | 11-Jun-2024 | 01:29 | Not applicable | None | Not applicable |
| Webengine.dll | 2.0.50727.8975 | 440,872 | 04-Oct-2023 | 00:23 | x86 | None | Not applicable |
| Wminet_utils.dll | 2.0.50727.8766 | 116,896 | 12-Jul-2017 | 13:09 | x86 | None | Not applicable |
| System.web.extensions.dll | 3.5.30729.8966 | 1,282,048 | 06-Mar-2024 | 01:19 | x86 | None | Not applicable |
| Vbc.exe | 9.0.30729.8971 | 1,722,848 | 13-Jun-2024 | 20:40 | x86 | None | Not applicable |
| Vbc.rsp | Not applicable | 1,489 | 30-Dec-2023 | 00:51 | Not applicable | None | Not applicable |
| Vbc7ui.dll | 9.0.30729.6400 | 231,512 | 11-Jun-2024 | 01:29 | x86 | None | Not applicable |
| Presentationcore.dll | 3.0.6920.8974 | 4,222,976 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Presentationfontcache.exe.config | Not applicable | 161 | 09-Jul-2024 | 03:19 | Not applicable | None | Not applicable |
| Wpfgfx_v0300.dll | 3.0.6920.8974 | 1,741,344 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| System.data.dll | 2.0.50727.8976 | 2,983,936 | 06-Dec-2023 | 01:17 | x86 | None | Not applicable |
| System.printing.dll | 3.0.6920.8974 | 372,736 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| System.web.dll | 2.0.50727.8975 | 5,292,032 | 04-Oct-2023 | 00:23 | x86 | None | Not applicable |
| Servicemonikersupport.dll | 3.0.4506.8841 | 28,152 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.identitymodel.dll | 3.0.4506.8841 | 446,464 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.runtime.serialization.dll | 3.0.4506.8841 | 970,752 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| System.servicemodel.dll | 3.0.4506.8841 | 5,996,544 | 27-Mar-2020 | 13:11 | x86 | None | Not applicable |
| Penimc.dll | 3.0.6920.8974 | 72,224 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Presentationframework.dll | 3.0.6920.8974 | 5,296,128 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Presentationhostdll.dll | 3.0.6920.8974 | 134,688 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Reachframework.dll | 3.0.6920.8974 | 536,576 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| Windowsbase.dll | 3.0.6920.8974 | 1,261,568 | 10-Sep-2024 | 01:23 | x86 | None | Not applicable |
| System.workflow.activities.dll | 3.0.4203.8833 | 1,142,784 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.componentmodel.dll | 3.0.4203.8833 | 1,638,400 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
| System.workflow.runtime.dll | 3.0.4203.8833 | 540,672 | 07-Dec-2019 | 02:06 | x86 | None | Not applicable |
How to obtain help and support for this update
- Help for installing updates: Windows Update FAQ
- Protect yourself online and at home: Windows Security support
- Local support according to your country: International Support