KB5050593

Cumulative update for .NET Framework, versions 3.5 and 4.8, on Windows 10 22H2, January 2025

Includes cumulative quality and reliability improvements for framework apps on Windows 10, version 22H2. It adds no new security improvements.

Does it affect you? Applies to: Devices running Windows 10, version 22H2, with .NET Framework 3.5, 4.8 or 4.8.1.

What changes

For: Windows 10, version 22H2 devices

Framework apps receive quality and reliability improvements. The page links to separate articles for details, but does not describe the individual changes.¹
Applies to .NET Framework 3.5, 4.8 and 4.8.1 on Windows 10, version 22H2.

Data sheet · Security · Downloads · Components Click to collapse or expand

Version	File version	Channel
3.5		General availability
4.8		General availability

No vulnerabilities are listed for this update.

Arm64 Windows 10, version 22H2

47.7 MB

Updated Oct 27, 2026

Cited passages from Microsoft's official notes (1)

1. For a list of improvements that were released with this update, please see the article links in the Additional Information section of this article. support.microsoft.com

Checked automatically: 8 of 8 checks passed, 1 quoted passage · compared with Microsoft's page on Oct 20, 2026

A second AI read the text against the sources: correctness 5/5, clarity 5/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake