Applies to:

Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2

IMPORTANT

  • All updates for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 require that the d3dcompiler_47.dll update is installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll, see KB 4019990.

  • 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.

Summary

This security update addresses an issue where an unauthenticated attacker could cause a denial of service on an affected system. For more information please see CVE-2022-21911.

Known issues in this update

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

Additional information about this update

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

  • 5009712 Description of the Security Only Update for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5009712)

How to obtain and install the update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 installed.

Install this update

Release Channel

Available

Next Step

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 update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product:Windows Server 2012

Classification: Security Updates

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, go to the following article in the Microsoft Knowledge Base:

20220111 Security update deployment information: January 11, 2022

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

File Information

File hash information

File name

SHA256 hash

Windows8-RT-KB5008894-x64.msu

C2A9E70211D7E24BA816946604268E2244ED114B0C6A5B2FAE0BC6F3366971EF

Windows8-RT-KB5008894-x86.msu

47C738EE0746A87FC578989A38F88BF68EFA7C6E9AE1DAEE01ADE1A241123EFD

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Aspnet_perf.dll

4.7.3905.0

39,312

19-Nov-2021

23:47

x64

SPN

AMD64_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

19-Nov-2021

22:21

Not applicable

SPN

AMD64_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

19-Nov-2021

23:47

Not applicable

SPN

AMD64_NETFX4-ASP

Aspnet_wp.exe

4.7.3905.0

43,928

19-Nov-2021

23:47

x64

SPN

AMD64_NETFX4-ASP

Msvcp120_clr0400.dll

12.0.52519.0

690,008

29-Nov-2021

20:08

x64

None

Not applicable

Msvcr120_clr0400.dll

12.0.52519.0

993,632

29-Nov-2021

20:08

x64

None

Not applicable

System.web.applicationservices.dll

4.7.3905.0

63,736

19-Nov-2021

23:50

x86

None

Not applicable

System.web.extensions.dll

4.7.3905.0

1,842,968

19-Nov-2021

23:50

x86

None

Not applicable

Webengine4.dll

4.7.3905.0

660,368

19-Nov-2021

23:47

x64

None

Not applicable

Webengine.dll

4.7.3905.0

19,344

19-Nov-2021

23:47

x64

None

Not applicable

System.web.dll

4.7.3905.0

5,393,272

19-Nov-2021

23:47

x64

None

Not applicable

System.web.applicationservices.dll

4.7.3905.0

63,736

19-Nov-2021

23:50

x86

None

Not applicable

System.web.extensions.dll

4.7.3905.0

1,842,968

19-Nov-2021

23:50

x86

None

Not applicable

Aspnet_perf.dll

4.7.3905.0

35,704

19-Nov-2021

23:50

x86

SPN

X86_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

19-Nov-2021

22:15

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

19-Nov-2021

23:52

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_wp.exe

4.7.3905.0

39,296

19-Nov-2021

23:50

x86

SPN

X86_NETFX4-ASP

Msvcp120_clr0400.dll

12.0.52519.0

485,576

29-Nov-2021

19:37

x86

None

Not applicable

Msvcr120_clr0400.dll

12.0.52519.0

987,840

29-Nov-2021

19:37

x86

None

Not applicable

System.web.extensions.dll

4.7.3905.0

1,842,968

19-Nov-2021

23:50

x86

None

Not applicable

Webengine4.dll

4.7.3905.0

543,112

19-Nov-2021

23:50

x86

None

Not applicable

Webengine.dll

4.7.3905.0

17,784

19-Nov-2021

23:50

x86

None

Not applicable

System.web.dll

4.7.3905.0

5,409,656

19-Nov-2021

23:50

x86

None

Not applicable

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

System.web.applicationservices.dll

4.7.3905.0

63,736

19-Nov-2021

23:50

x86

None

Not applicable

System.web.extensions.dll

4.7.3905.0

1,842,968

19-Nov-2021

23:50

x86

None

Not applicable

Aspnet_perf.dll

4.7.3905.0

35,704

19-Nov-2021

23:50

x86

SPN

X86_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

19-Nov-2021

22:15

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

19-Nov-2021

23:52

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_wp.exe

4.7.3905.0

39,296

19-Nov-2021

23:50

x86

SPN

X86_NETFX4-ASP

Msvcp120_clr0400.dll

12.0.52519.0

485,576

29-Nov-2021

19:37

x86

None

Not applicable

Msvcr120_clr0400.dll

12.0.52519.0

987,840

29-Nov-2021

19:37

x86

None

Not applicable

System.web.extensions.dll

4.7.3905.0

1,842,968

19-Nov-2021

23:50

x86

None

Not applicable

Webengine4.dll

4.7.3905.0

543,112

19-Nov-2021

23:50

x86

None

Not applicable

Webengine.dll

4.7.3905.0

17,784

19-Nov-2021

23:50

x86

None

Not applicable

System.web.dll

4.7.3905.0

5,409,656

19-Nov-2021

23:50

x86

None

Not applicable

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