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The Update Bureau

Filtered Update Catalog

Preview — All products

26–50 of 124 updates, newest first.

Monthly briefings: Nov 2026 Oct 2026 Sep 2026
Terms & labels

Label legend

Security
Contains fixes for security vulnerabilities.
Preview
Optional update with new features and fixes, without new security patches. Its content joins the next Patch Tuesday update.
Out-of-band
Released outside the usual monthly schedule, usually to fix a specific problem.
Cumulative
Includes everything from earlier updates, so the latest one is enough.
Zero-day
Microsoft reports a vulnerability that was already exploited or publicly known when the fix came out.
Windows Insider Preview
A pre-release build for testers, not meant for everyday PCs.
Updated
We revised this page after publishing because Microsoft changed its notes.
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Jan 29, 2026 Optional preview
1 update
Dec 1, 2025 Optional preview
1 update
Nov 20, 2025 Optional preview
1 update
Oct 28, 2025 Optional preview
3 updates
Sep 29, 2025 Optional preview
1 update
Sep 25, 2025 Optional preview
1 update
Sep 23, 2025 Optional preview
1 update
Sep 9, 2025 Optional preview
4 updates
Aug 29, 2025 Optional preview
1 update
Aug 26, 2025 Optional preview
3 updates
Jul 22, 2025 Optional preview
3 updates
Jul 8, 2025 Optional preview
3 updates
Jun 26, 2025 Optional preview
2 updates