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Recorded 5 Nov 2026 at 23:42 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Windows updateMicrosoft release information, MSRC and Windows release health

KB5061977

Windows 11, version 24H2: KB5061977 · 2025-05 OOB · OS build 26100.4066

What it said

KB
KB5061977
Windows versions and builds
Windows 11, version 24H2: 26100.4066 (2025-05 OOB); Windows Server 2025: 26100.4066 (2025-05 OOB)
Applies to
Windows 11, version 24H2, Windows Server 2025
Restart required
Not stated in collected security fixes
CVEs fixed
Unknown: security evidence or the required release is incomplete
Known issues affecting this update
None in the collected release health data
Known issues resolved
None in the collected release health data
Included security update
KB5058411
CVEs listed directly for this KB
Unknown: security evidence or the required release is incomplete
Missing security release
May 2025
Published
27 May 2025 00:00 UTC
Known issues caused
None in the collected release health data

Source evidence when recorded

Windows 11 releases
Complete at observationRead 5 Nov 2026 at 23:40 UTC
Windows Server releases
Complete at observationRead 5 Nov 2026 at 23:40 UTC
Microsoft security releases
Complete at observationRead 5 Nov 2026 at 23:40 UTC
Windows known issues
Complete at observationRead 5 Nov 2026 at 23:40 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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. Known issues: None in the collected release health data
  4. Included security update: None identified in the collected release tables → KB5058411 · Applies to: Windows Server 2025 → Windows 11, version 24H2, Windows Server 2025
  5. Included security update: KB5058411 → None identified in the collected release tables
  6. 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
  7. 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

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (39)

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

  1. 5 Nov 2026 · 23:42:03 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  2. 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
  3. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-known-issuesIncomplete → Current
  4. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-server-releasesIncomplete → Current
  5. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-11-releasesIncomplete → Current
  6. 5 Nov 2026 · 22:41:52 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  7. 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
  8. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  9. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  10. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-11-releasesCurrent → Incomplete
  11. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  12. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  13. 29 Oct 2026 · 20:19:26 UTC Known issues affecting this updateNone in the collected release health data
  14. 28 Oct 2026 · 13:54:09 UTC Source coverage: windows-server-releasesIncomplete → Current
  15. 28 Oct 2026 · 08:37:56 UTC Missing security releaseNone identified in collected security coverage → May 2025
  16. 28 Oct 2026 · 08:37:56 UTC CVEs listed directly for this KBNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  17. 28 Oct 2026 · 08:37:56 UTC Included security updateNone identified in the collected release tables → KB5058411
  18. 28 Oct 2026 · 08:37:56 UTC CVEs fixedNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  19. 28 Oct 2026 · 08:37:56 UTC Applies toWindows Server 2025 → Windows 11, version 24H2, Windows Server 2025
  20. 28 Oct 2026 · 08:37:56 UTC Windows versions and buildsWindows Server 2025: 26100.4066 (2025-05 OOB) → Windows 11, version 24H2: 26100.4066 (2025-05 OOB); Windows Server 2025: 26100.4066 (2025-05 OOB)
  21. 28 Oct 2026 · 08:37:56 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  22. 28 Oct 2026 · 08:37:56 UTC Source coverage: windows-11-releasesCurrent
  23. 28 Oct 2026 · 08:37:56 UTC Link: Support articlehttps://support.microsoft.com/topic/may-27-2025-kb5061977-os-build-26100-4066-out-of-band-80725b43-c0a1-48a4-9b82-058efffb6228 → https://support.microsoft.com/help/5061977
  24. 28 Oct 2026 · 08:37:56 UTC SummaryWindows Server 2025: KB5061977 · 2025-05 OOB · OS build 26100.4066 → Windows 11, version 24H2: KB5061977 · 2025-05 OOB · OS build 26100.4066
  25. 26 Oct 2026 · 06:24:14 UTC Missing security releaseMay 2025 → None identified in collected security coverage
  26. 26 Oct 2026 · 06:24:14 UTC CVEs listed directly for this KBUnknown: security evidence or the required release is incomplete → None in the collected security releases
  27. 26 Oct 2026 · 06:24:14 UTC Included security updateKB5058411 → None identified in the collected release tables
  28. 26 Oct 2026 · 06:24:14 UTC CVEs fixedUnknown: security evidence or the required release is incomplete → None in the collected security releases
  29. 23 Oct 2026 · 09:33:49 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  30. 23 Oct 2026 · 09:33:49 UTC Known issues causedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  31. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-known-issuesIncomplete → Current
  32. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  33. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-server-releasesIncomplete → Current
  34. 23 Oct 2026 · 08:31:50 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  35. 23 Oct 2026 · 08:31:50 UTC Known issues causedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  36. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  37. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  38. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  39. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current
ChangeIntel

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Sources read 11 Nov 23:12 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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