Applies To.NET

Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup.

Release Date:November 14, 2023

Version:.NET Framework 3.5, 4.8 and 4.8.1

Summary

This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2.

Security Improvements

CVE-2023-36560 – .NET Framework Security Feature Bypass Vulnerability This security update addresses a security feature bypass vulnerability detailed in CVE-2023-36560.

CVE-2023-36049 – .NET Framework Elevation of Privilege Vulnerability This security update addresses a elevation of privilege vulnerability detailed in CVE-2023-36049.

Quality and Reliability Improvements

For 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.

  • 5031988 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2 (KB5031988)

  • 5032005 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5032005)

How to get 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.

Windows Update for Business

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 operating system update will offer, as applicable, and individual .NET Framework product updates will be installed. For more information about individual .NET Framework product updates see additional information about this update section.

This update will automatically sync with WSUS if you configure as follows:

Product: Windows 10 Version 21H2

Classification: Security Updates

How to obtain help and support for this update

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