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KB5066793BMonthly security release (Patch Tuesday) · 2025-10 B

Monthly security release (Patch Tuesday) for Windows 11, version 23H2 and Windows 11, version 22H2

Support article Update Catalog CVEs in Security CVE list for a ticket

Is it safe to deploy?

Pilot firstKB5066793B

Some Windows versions have newer cumulative updates: Windows 11, version 23H2: KB5131087. There are signs of trouble. Deploy to a pilot ring and watch for the reported problems.

ChangeIntel's reading of public signals, not advice; check Microsoft's guidance and test before you deploy. Terms

Urgency Unknown · MSRC document not collected Risk Moderate
Everything in the October 2025 Patch Tuesday cycle
2Windows versions

MSRC's October 2025 security update document isn't collected, so the CVEs this update fixes are unknown. No known issues affecting this update, or resolved by it, were identified in the collected Windows release health data.

Applies to

From Microsoft's release-information tables
Servicing branchOS buildReleaseAvailable
Windows 11, version 23H2 22631.6060 B 2025-10 B 14 Oct 2025
Windows 11, version 22H2 22621.6060 B 2025-10 B 14 Oct 2025

What changed

  1. Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
  2. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  3. Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
  4. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  5. Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
  6. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  7. Known issues: None in the collected release health data
  8. Applies to: Windows 11, version 22H2 → Windows 11, version 22H2, Windows 11, version 23H2
  9. Applies to: Windows 11, version 22H2, Windows 11, version 23H2 → Windows 11, version 22H2
  10. Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
  11. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
Page history

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Cite this version
Field-level log (42)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 7 Nov 2026 · 13:11:22 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  2. 7 Nov 2026 · 13:11:22 UTC Known issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  3. 7 Nov 2026 · 13:11:22 UTC Source coverage: windows-known-issuesIncomplete → Current
  4. 7 Nov 2026 · 12:08:21 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  5. 7 Nov 2026 · 12:08:21 UTC Known issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  6. 7 Nov 2026 · 12:08:21 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  7. 6 Nov 2026 · 17:32:22 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  8. 6 Nov 2026 · 17:32:22 UTC Known issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  9. 6 Nov 2026 · 17:32:22 UTC Source coverage: windows-known-issuesIncomplete → Current
  10. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  11. 6 Nov 2026 · 17:32:22 UTC Source coverage: windows-11-releasesIncomplete → Current
  12. 6 Nov 2026 · 16:31:02 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  13. 6 Nov 2026 · 16:31:02 UTC Known issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  14. 6 Nov 2026 · 16:31:02 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  15. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  16. 6 Nov 2026 · 16:31:02 UTC Source coverage: windows-11-releasesCurrent → Incomplete
  17. 5 Nov 2026 · 23:42:03 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  18. 5 Nov 2026 · 23:42:03 UTC Known issues affecting this updateUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  19. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-known-issuesIncomplete → Current
  20. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-11-releasesIncomplete → Current
  21. 5 Nov 2026 · 22:41:52 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  22. 5 Nov 2026 · 22:41:52 UTC Known issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  23. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  24. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-11-releasesCurrent → Incomplete
  25. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  26. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  27. 29 Oct 2026 · 20:19:26 UTC Known issues affecting this updateNone in the collected release health data
  28. 28 Oct 2026 · 08:37:56 UTC Applies toWindows 11, version 22H2 → Windows 11, version 22H2, Windows 11, version 23H2
  29. 28 Oct 2026 · 08:37:56 UTC Windows versions and buildsWindows 11, version 22H2: 22621.6060 (2025-10 B) → Windows 11, version 22H2: 22621.6060 (2025-10 B); Windows 11, version 23H2: 22631.6060 (2025-10 B)
  30. 26 Oct 2026 · 06:24:14 UTC Applies toWindows 11, version 22H2, Windows 11, version 23H2 → Windows 11, version 22H2
  31. 26 Oct 2026 · 06:24:14 UTC Windows versions and buildsWindows 11, version 22H2: 22621.6060 (2025-10 B); Windows 11, version 23H2: 22631.6060 (2025-10 B) → Windows 11, version 22H2: 22621.6060 (2025-10 B)
  32. 23 Oct 2026 · 09:33:49 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  33. 23 Oct 2026 · 09:33:49 UTC Known issues causedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  34. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-known-issuesIncomplete → Current
  35. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  36. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-11-releasesIncomplete → Current
  37. 23 Oct 2026 · 08:31:50 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  38. 23 Oct 2026 · 08:31:50 UTC Known issues causedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  39. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  40. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  41. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-11-releasesCurrent → Incomplete
  42. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 15:16 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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