KB5070881: Cumulative update for Windows 11, version 24H2, October 2025. Version 24H2 advances to build 26100.6905
In short
Advances version 24H2 to build 26100.6905.
Does it affect you? Applies to: Devices running Windows 11, version 24H2.
Microsoft publishes separate notes for this KB for Windows Server.
In detail
- Other The update advances version 24H2 to build 26100.6905.
- Lifecycle Windows 11, version 24H2 Home and Pro editions are scheduled to receive updates through October 13, 2026.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2025-10-23
- Type
- Cumulative update
| Version | Build | Channel |
|---|---|---|
| 24H2 | 26100.6905 | General availability |
Security
No vulnerabilities are listed for this update.
Sources
Updated
Checked automatically: 8 of 8 checks passed · compared with Microsoft's page on Nov 13, 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