Security and Quality Rollup 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 (KB5009720)

Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 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 Microsoft .NET Framework 4.8

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

Security Improvements 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.Quality ImprovementsFor a list of improvements that were released with this update, please see the article links in the Additional Information section of this article.

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.

• 5008865 Description of the Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5008865)
• 5008869 Description of the Security and Quality Rollup for .NET Framework 4.5.2 for Windows Server 2012 (KB5008869)
• 5008874 Description of the Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5008874)
• 5008881 Description of the Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5008881)
  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 update will automatically sync with WSUS if you configure as follows: Product: Windows Server 2012Classification: Security Updates

Information about protection and security

• Protect yourself online: Windows Security support
• Learn how we guard against cyber threats: Microsoft Security