September 9, 2025-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 (KB5065745)

Applies To
.NET

Note

  • Applies to:
  • Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2

End of support information

Note

Summary

The September 9, 2025 update for Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 includes cumulative security and reliability improvements in .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2.

Note

  • Note Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release).
  • Verify that you have installed the required updates listed in the How to get this update section before installing this update.　
  • Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in KB4522133 to continue receiving security updates after extended support ends on January 14, 2020.　For more information on ESU and which editions are supported, see KB4497181. For more information, see the ESU blog.

Security Improvements

There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.

Quality and Reliability Improvements

ASP.NET - Addressed an issue in ASP.NET where some error events fail to log properly in the Windows Event log.
WPF 1 - Addressed an update for GB18030 certificate for Chinese language changes.

1Windows Presentation Foundation (WPF)

Additional information about this update

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

  • 5065961 Description of the Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5065961)
  • 5065958 Description of the Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5065958)

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

To apply this update, you must have .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 installed.

You must install the updates listed below and restart your device before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.

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.

Operating System Prerequisites for installing this update
Windows Server 2008 SP2 If you use Windows Update, the latest SSU (KB5039341) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
Windows Server 2008 R2 If you use Windows Update, the latest SSU (KB5039339) 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.

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 if you are an ESU customer.
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.

Update replacement information

This update replaces previously released updates KB5062158 and KB5055687 and KB5062155.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

x86
File nameFile versionFile sizeDateTimevbc.exe14.7.4101.02,682,33611-Aug-202518:15Aspnet_perf.dll4.7.4136.036,90411-Aug-202518:42aspnet_regbrowsers.exe4.7.4101.039,48011-Aug-202518:15aspnet_regiis.exe4.7.4101.035,37611-Aug-202518:15aspnet_regsql.exe4.7.4101.0121,39211-Aug-202518:15aspnet_wp.exe4.7.4136.040,49611-Aug-202518:42clr.dll4.7.4135.07,775,26411-Aug-202518:15clrcompression.dll4.7.4108.0130,48811-Aug-202518:15clrjit.dll4.7.4135.0517,15211-Aug-202518:15dfdll.dll4.7.4057.0154,04011-Aug-202518:15diasymreader.dll14.7.4126.01,072,69611-Aug-202518:15GlobalUserInterface.CompositeFont186,99511-Aug-202518:15mscordacwks.dll4.7.4135.01,336,84011-Aug-202518:15mscordbi.dll4.7.4135.01,162,76811-Aug-202518:15mscoreei.dll4.7.3468.0512,48811-Aug-202518:15mscorlib.dll4.7.4135.05,705,26411-Aug-202518:15mscorpehost.dll4.7.4101.0149,03211-Aug-202518:15mscorsvc.dll4.7.3771.0424,82411-Aug-202518:15mscorsvw.exe4.7.3771.0100,80011-Aug-202518:15msvcp120_clr0400.dll12.0.52519.0485,57611-Aug-202518:42msvcr120_clr0400.dll12.0.52519.0987,84011-Aug-202518:42ngen.exe4.7.3771.0135,14411-Aug-202518:15VsVersion.dll14.7.4136.013,35211-Aug-202518:42peverify.dll4.7.4135.0182,81611-Aug-202518:15PresentationCore.dll4.7.4136.03,638,31211-Aug-202518:42PresentationFramework.dll4.7.4136.06,271,53611-Aug-202518:15PresentationFramework-SystemData.dll4.7.4136.018,50411-Aug-202518:15PresentationHost_v0400.dll4.7.4136.0208,96811-Aug-202518:42PresentationHost_v0400.dll.mui4.7.4136.078,88811-Aug-202518:42PresentationNative_v0400.dll4.7.4136.0821,32011-Aug-202518:42ReachFramework.dll4.7.4130.0674,84811-Aug-202518:15ServiceMonikerSupport.dll4.7.4092.023,48811-Aug-202518:15SMDiagnostics.dll4.7.4092.069,08811-Aug-202518:15SMSvcHost.exe4.7.3515.0139,26411-Aug-202518:15SOS.dll4.7.4135.0737,32011-Aug-202518:15System.Speech.dll4.7.3650.0675,72011-Aug-202518:15System.Activities.dll4.7.4092.01,528,28811-Aug-202518:15System.ComponentModel.DataAnnotations.dll4.7.3221.0127,40011-Aug-202518:15System.Core.dll4.7.4136.01,548,20811-Aug-202518:15System.Data.Entity.dll4.7.3221.04,035,66411-Aug-202518:15System.DirectoryServices.AccountManagement.dll4.7.4121.0293,92011-Aug-202518:15System.IdentityModel.dll4.7.4092.01,090,92811-Aug-202518:15System.IdentityModel.Services.dll4.7.4092.0192,44811-Aug-202518:15System.Printing.dll4.7.4130.0367,64811-Aug-202518:15System.Runtime.Serialization.dll4.7.4092.01,051,72011-Aug-202518:15System.ServiceModel.Channels.dll4.7.4092.0152,09611-Aug-202518:15System.ServiceModel.Discovery.dll4.7.4092.0302,51211-Aug-202518:15System.ServiceModel.dll4.7.4092.06,320,12011-Aug-202518:15System.ServiceModel.Internals.dll4.7.4092.0255,96011-Aug-202518:15System.ServiceModel.Routing.dll4.7.3221.0132,20811-Aug-202518:15System.ServiceModel.WasHosting.dll4.7.4092.034,33611-Aug-202518:15System.Web.ApplicationServices.dll4.7.4136.066,99211-Aug-202518:15System.Web.Extensions.dll4.7.4136.01,846,19211-Aug-202518:15System.Workflow.Activities.dll4.7.3570.01,052,13611-Aug-202518:15System.Workflow.ComponentModel.dll4.7.3570.01,553,89611-Aug-202518:15System.Workflow.Runtime.dll4.7.3570.0499,48011-Aug-202518:15System.Runtime.Caching.dll4.7.3221.0109,86411-Aug-202518:15System.Configuration.dll4.7.3630.0420,51211-Aug-202518:15System.Data.dll4.7.4081.03,468,22411-Aug-202518:15System.Data.SqlXml.dll4.7.3221.0734,52011-Aug-202518:15System.Deployment.dll4.7.4057.0878,48011-Aug-202518:15System.DirectoryServices.dll4.7.4121.0421,44811-Aug-202518:15System.DirectoryServices.Protocols.dll4.7.3221.0201,62411-Aug-202518:15System.dll4.7.4135.03,566,17611-Aug-202518:15System.Drawing.dll4.7.3221.0600,86411-Aug-202518:15System.IO.Compression.dll4.7.4115.067,56811-Aug-202518:15System.Management.dll4.7.3221.0415,53611-Aug-202518:15System.Net.Http.dll4.7.3221.0204,58411-Aug-202518:15System.Runtime.Remoting.dll4.7.4081.0343,00811-Aug-202518:15System.Security.dll4.7.3701.0318,71211-Aug-202518:15System.Transactions.dll4.7.3221.0309,32811-Aug-202518:15System.Web.dll4.7.4136.05,411,88811-Aug-202518:42System.Windows.Controls.Ribbon.dll4.7.4136.0740,40011-Aug-202518:15System.Windows.Forms.dll4.7.4057.05,237,56011-Aug-202518:15System.Xaml.dll4.7.4136.0638,44011-Aug-202518:15System.Xml.dll4.7.3221.02,670,34411-Aug-202518:15UIAutomationClient.dll4.7.4136.0172,10411-Aug-202518:15UIAutomationClientsideProviders.dll4.7.4136.0355,40011-Aug-202518:15UIAutomationProvider.dll4.7.4136.043,05611-Aug-202518:15UIAutomationTypes.dll4.7.4136.0215,08011-Aug-202518:15webengine.dll4.7.4136.019,00811-Aug-202518:42webengine4.dll4.7.4136.0544,32811-Aug-202518:42WindowsBase.dll4.7.4136.01,292,84011-Aug-202518:15WindowsFormsIntegration.dll4.7.4038.0101,79211-Aug-202518:15WMINet_Utils.dll4.7.3221.0136,43211-Aug-202518:15WorkflowServiceHostPerformanceCounters.dll4.7.3570.089,88011-Aug-202518:15WPFFontCache_v0400.exe.mui4.7.4136.013,38411-Aug-202518:42WPFFontCache_v0400.exe4.7.4136.020,06411-Aug-202518:42wpfgfx_v0400.dll4.7.4136.01,341,00011-Aug-202518:42Placeholder.dll4.7.4136.019,01611-Aug-202518:42PenIMC2_v0400.dll4.7.4136.080,96811-Aug-202518:42
x64
File nameFile versionFile sizeDateTimevbc.exe14.7.4101.03,220,97611-Aug-202518:15vbc.exe14.7.4101.02,682,33611-Aug-202518:15Aspnet_perf.dll4.7.4136.040,52011-Aug-202518:42Aspnet_perf.dll4.7.4136.036,90411-Aug-202518:42aspnet_regbrowsers.exe4.7.4101.038,85611-Aug-202518:15aspnet_regbrowsers.exe4.7.4101.039,48011-Aug-202518:15aspnet_regiis.exe4.7.4101.038,96011-Aug-202518:15aspnet_regiis.exe4.7.4101.035,37611-Aug-202518:15aspnet_regsql.exe4.7.4101.0120,88011-Aug-202518:15aspnet_regsql.exe4.7.4101.0121,39211-Aug-202518:15aspnet_wp.exe4.7.4136.045,10411-Aug-202518:42aspnet_wp.exe4.7.4136.040,49611-Aug-202518:42clr.dll4.7.4135.010,692,66411-Aug-202518:15clr.dll4.7.4135.07,775,26411-Aug-202518:15clrcompression.dll4.7.4108.0140,20811-Aug-202518:15clrcompression.dll4.7.4108.0130,48811-Aug-202518:15clrjit.dll4.7.4135.01,215,54411-Aug-202518:15clrjit.dll4.7.4135.0517,15211-Aug-202518:15compatjit.dll4.7.4135.01,253,92011-Aug-202518:15dfdll.dll4.7.4057.0185,75211-Aug-202518:15dfdll.dll4.7.4057.0154,04011-Aug-202518:15diasymreader.dll14.7.4126.01,457,22411-Aug-202518:15diasymreader.dll14.7.4126.01,072,69611-Aug-202518:15GlobalUserInterface.CompositeFont186,99511-Aug-202518:15mscordacwks.dll4.7.4135.01,834,51211-Aug-202518:15mscordacwks.dll4.7.4135.01,336,84011-Aug-202518:15mscordbi.dll4.7.4135.01,615,90411-Aug-202518:15mscordbi.dll4.7.4135.01,162,76811-Aug-202518:15mscoreei.dll4.7.3468.0631,27211-Aug-202518:15mscoreei.dll4.7.3468.0512,48811-Aug-202518:15mscorlib.dll4.7.4135.05,488,67211-Aug-202518:15mscorlib.dll4.7.4135.05,705,26411-Aug-202518:15mscorpehost.dll4.7.4101.0183,72811-Aug-202518:15mscorpehost.dll4.7.4101.0149,03211-Aug-202518:15mscorsvc.dll4.7.3771.0538,00011-Aug-202518:15mscorsvc.dll4.7.3771.0424,82411-Aug-202518:15mscorsvw.exe4.7.3771.0121,76811-Aug-202518:15mscorsvw.exe4.7.3771.0100,80011-Aug-202518:15msvcp120_clr0400.dll12.0.52519.0690,00811-Aug-202518:42msvcp120_clr0400.dll12.0.52519.0485,57611-Aug-202518:42msvcr120_clr0400.dll12.0.52519.0993,63211-Aug-202518:42msvcr120_clr0400.dll12.0.52519.0987,84011-Aug-202518:42ngen.exe4.7.3771.0167,40011-Aug-202518:15ngen.exe4.7.3771.0135,14411-Aug-202518:15VsVersion.dll14.7.4136.013,38411-Aug-202518:42VsVersion.dll14.7.4136.013,35211-Aug-202518:42peverify.dll4.7.4135.0255,00811-Aug-202518:15peverify.dll4.7.4135.0182,81611-Aug-202518:15PresentationCore.dll4.7.4136.03,615,81611-Aug-202518:42PresentationCore.dll4.7.4136.03,638,31211-Aug-202518:42PresentationFramework.dll4.7.4136.06,271,53611-Aug-202518:15PresentationFramework-SystemData.dll4.7.4136.018,50411-Aug-202518:15PresentationHost_v0400.dll4.7.4136.0271,94411-Aug-202518:42PresentationHost_v0400.dll.mui4.7.4136.078,88811-Aug-202518:42PresentationHost_v0400.dll4.7.4136.0208,96811-Aug-202518:42PresentationHost_v0400.dll.mui4.7.4136.078,88811-Aug-202518:42PresentationNative_v0400.dll4.7.4136.01,103,94411-Aug-202518:42PresentationNative_v0400.dll4.7.4136.0821,32011-Aug-202518:42ReachFramework.dll4.7.4130.0674,84811-Aug-202518:15ServiceMonikerSupport.dll4.7.4092.025,53611-Aug-202518:15ServiceMonikerSupport.dll4.7.4092.023,48811-Aug-202518:15SMDiagnostics.dll4.7.4092.069,08811-Aug-202518:15SMSvcHost.exe4.7.3515.0139,26411-Aug-202518:15SOS.dll4.7.4135.0865,80811-Aug-202518:15SOS.dll4.7.4135.0737,32011-Aug-202518:15System.Speech.dll4.7.3650.0675,72011-Aug-202518:15System.Activities.dll4.7.4092.01,528,28811-Aug-202518:15System.ComponentModel.DataAnnotations.dll4.7.3221.0127,40011-Aug-202518:15System.Core.dll4.7.4136.01,548,20811-Aug-202518:15System.Data.Entity.dll4.7.3221.04,035,66411-Aug-202518:15System.DirectoryServices.AccountManagement.dll4.7.4121.0293,92011-Aug-202518:15System.IdentityModel.dll4.7.4092.01,090,92811-Aug-202518:15System.IdentityModel.Services.dll4.7.4092.0192,44811-Aug-202518:15System.Printing.dll4.7.4130.0368,18411-Aug-202518:15System.Printing.dll4.7.4130.0367,64811-Aug-202518:15System.Runtime.Serialization.dll4.7.4092.01,051,72011-Aug-202518:15System.ServiceModel.Channels.dll4.7.4092.0152,09611-Aug-202518:15System.ServiceModel.Discovery.dll4.7.4092.0302,51211-Aug-202518:15System.ServiceModel.dll4.7.4092.06,320,12011-Aug-202518:15System.ServiceModel.Internals.dll4.7.4092.0255,96011-Aug-202518:15System.ServiceModel.Routing.dll4.7.3221.0132,20811-Aug-202518:15System.ServiceModel.WasHosting.dll4.7.4092.034,33611-Aug-202518:15System.Web.ApplicationServices.dll4.7.4136.066,99211-Aug-202518:15System.Web.Extensions.dll4.7.4136.01,846,19211-Aug-202518:15System.Workflow.Activities.dll4.7.3570.01,052,13611-Aug-202518:15System.Workflow.ComponentModel.dll4.7.3570.01,553,89611-Aug-202518:15System.Workflow.Runtime.dll4.7.3570.0499,48011-Aug-202518:15System.Runtime.Caching.dll4.7.3221.0109,86411-Aug-202518:15System.configuration.dll4.7.3630.0420,51211-Aug-202518:15System.Data.dll4.7.4081.03,530,28811-Aug-202518:15System.Data.dll4.7.4081.03,468,22411-Aug-202518:15System.Data.SqlXml.dll4.7.3221.0734,52011-Aug-202518:15System.Deployment.dll4.7.4057.0878,48011-Aug-202518:15System.DirectoryServices.dll4.7.4121.0421,44811-Aug-202518:15System.DirectoryServices.Protocols.dll4.7.3221.0201,62411-Aug-202518:15System.dll4.7.4135.03,566,17611-Aug-202518:15System.Drawing.dll4.7.3221.0600,86411-Aug-202518:15System.IO.Compression.dll4.7.4115.067,56811-Aug-202518:15System.Management.dll4.7.3221.0415,53611-Aug-202518:15System.Net.Http.dll4.7.3221.0204,58411-Aug-202518:15System.Runtime.Remoting.dll4.7.4081.0343,00811-Aug-202518:15System.Security.dll4.7.3701.0318,71211-Aug-202518:15System.Transactions.dll4.7.3221.0311,04811-Aug-202518:15System.Transactions.dll4.7.3221.0309,32811-Aug-202518:15System.Web.dll4.7.4136.05,394,98411-Aug-202518:42System.Web.dll4.7.4136.05,411,88811-Aug-202518:42System.Windows.Controls.Ribbon.dll4.7.4136.0740,40011-Aug-202518:15System.Windows.Forms.dll4.7.4057.05,237,56011-Aug-202518:15System.Xaml.dll4.7.4136.0638,44011-Aug-202518:15System.XML.dll4.7.3221.02,670,34411-Aug-202518:15UIAutomationClient.dll4.7.4136.0172,10411-Aug-202518:15UIAutomationClientsideProviders.dll4.7.4136.0355,40011-Aug-202518:15UIAutomationProvider.dll4.7.4136.043,05611-Aug-202518:15UIAutomationTypes.dll4.7.4136.0215,08011-Aug-202518:15webengine.dll4.7.4136.020,52811-Aug-202518:42webengine.dll4.7.4136.019,00811-Aug-202518:42webengine4.dll4.7.4136.0661,57611-Aug-202518:42webengine4.dll4.7.4136.0544,32811-Aug-202518:42WindowsBase.dll4.7.4136.01,292,84011-Aug-202518:15WindowsFormsIntegration.dll4.7.4038.0101,79211-Aug-202518:15WMINet_Utils.dll4.7.3221.0188,14411-Aug-202518:15WMINet_Utils.dll4.7.3221.0136,43211-Aug-202518:15WorkflowServiceHostPerformanceCounters.dll4.7.3570.0101,65611-Aug-202518:15WorkflowServiceHostPerformanceCounters.dll4.7.3570.089,88011-Aug-202518:15WPFFontCache_v0400.exe.mui4.7.4136.013,36011-Aug-202518:42WPFFontCache_v0400.exe.mui4.7.4136.013,38411-Aug-202518:42WPFFontCache_v0400.exe4.7.4136.021,06411-Aug-202518:42WPFFontCache_v0400.exe4.7.4136.020,06411-Aug-202518:42wpfgfx_v0400.dll4.7.4136.01,760,84011-Aug-202518:42wpfgfx_v0400.dll4.7.4136.01,341,00011-Aug-202518:42Placeholder.dll4.7.4136.020,04011-Aug-202518:42Placeholder.dll4.7.4136.019,01611-Aug-202518:42PenIMC2_v0400.dll4.7.4136.098,88811-Aug-202518:42PenIMC2_v0400.dll4.7.4136.080,96811-Aug-202518:42

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