Applies To.NET

Release Date:October 11, 2022

Version: .NET Framework 3.5, 4.8 and 4.8.1

IMPORTANT

This update is included in the Cumulative Update that's dated October 11, 2022. Parts of this update were previously released in the Cumulative Update that's dated September 20, 2022.

Summary

This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1.

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

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.

  • 5017262 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2 (KB5017262)

  • 5017266 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2 (KB5017266)

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

No

None. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website.

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 10 Version 21H1

Classification: Updates

How to obtain help and support for this update

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