The Update BureauKB5064794: Cumulative update for .NET Framework, versions 3.5 and 4.8, on Windows 10 22H2, August 2025. Cumulative quality updates for .NET runtime components
In short
Includes quality and reliability improvements for .NET Framework 3.5, 4.8 and 4.8.1. Windows Update downloads and installs it automatically; a restart might be requested.
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
Improvement 1 change
.NET Framework
For: Devices running Windows 10, version 22H2
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Includes quality and reliability improvements for .NET Framework 3.5, 4.8 and 4.8.1.1
The update page refers to additional articles for the list of improvements.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2025-08-26
- Classification
- Updates
- Type
- Cumulative update
- Restart
- Required
- Replaces
- KB5057056
| Version | File version | Channel |
|---|---|---|
| 3.5 | General availability | |
| 4.8 | General availability |
Security
No vulnerabilities are listed for this update.
Downloads (Microsoft Update Catalog)
Arm64
Windows 10, version 22H2
47.7 MB
Sources
Updated
Cited passages from Microsoft's official notes (1)
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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 Nov 8, 2026
- Quotes found in the official pages: passed
- Numbers found in the sources: passed
- Vulnerabilities from the dossier only: passed
- Links to allowed domains only: passed
- Every official change covered: passed
- Readable plain text: passed
- Changes confirmed by the file list: passed
- Sources agree: passed
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