Release Date:January 19, 2023

Version: .NET Framework 3.5, 4.8 and 4.8.1

Note: Revised on Jun 20, 2023 to add known issue.

Summary

This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2.

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

Symptom

After installing this update, WPF apps may have a change in behavior. For more information about this issue, see KB5022083

Workaround

To mitigate this issue, see KB5022083.

Resolution

This issue has been resolved in the June 13, 2023 Security and Quality Rollup and Cumulative Update.

If you used any workaround or mitigations for this issue, they are no longer needed, and we recommend you remove them. To remove workaround review the workaround or alternative workaround which was applied for instructions. The workaround should be removed prior to installing the June update.

Additional information about this update

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

  • 5022405 Description of the Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2, Windows 10 Version 21H2 and Windows 10 Version 22H2 (KB5022405)

  • 5022408 Description of the Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 10, version 20H2, Windows 10 Version 21H2 and Windows 10 Version 22H2 (KB5022408)

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)

No

You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

How to obtain help and support for this update

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