Release Date:January 31, 2023

Version: .NET Framework 4.8.1

The January 31, 2023 update for Windows 11, version 22H2 includes improvements in .NET Framework 4.8.1. Before you install this update, see the Prerequisites and Restart requirement sections.

Summary

Security Improvements

There are no new security improvements in this release.

Quality and Reliability Improvements

WPF1

- Addresses an issue to restore Images and other glyphs not displaying correctly in XPS documents after customers install the December 13th, 2022 security update or the January 19th, 2023 update.

- Addresses an issue with Null reference exceptions occurring when loading XPS documents after customers install the December 13th, 2022 security update or the January 19th, 2023 update.

1Windows Presentation Foundation (WPF)

Known issues in this update

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

How to get this update

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

No

None, this update is not available from this release channel at this time.

Windows Update for Business

No

None, this update is not available from this release channel at this time.

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

None, this update is not available from this release channel at this time.

File information

For a list of the files that are provided in this update, download the file information for cumulative update.

Prerequisites

To apply this update, you must have .NET Framework 4.8.1 installed.

Restart requirement

You must 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.

How to obtain help and support for this update

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