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Recorded 7 Nov 2026 at 12:08 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

KB5123300

Security update fixing 10 collected CVEs.

What it said

KB
KB5123300
Windows versions and builds
Not in the collected release tables
Applies to
Skype for Business Server Subscription Edition CU1, Skype for Business Server 2019 CU8
Restart required
Not stated in collected security fixes
CVEs fixed
CVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
Known issues affecting this update
Unknown: known-issue evidence is incomplete or retained
Known issues resolved
Unknown: known-issue evidence is incomplete or retained
Included security update
None identified in the collected release tables
CVEs listed directly for this KB
CVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
Missing security release
None identified in collected security coverage
Known issues caused
None in the collected release health data

Source evidence when recorded

Microsoft security releases
Complete at observationRead 7 Nov 2026 at 12:07 UTC
Windows known issues
IncompleteRead 7 Nov 2026 at 12:07 UTC

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

What changed

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Applies to: Skype for Business Server 2019 CU8 → Skype for Business Server Subscription Edition CU1, Skype for Business Server 2019 CU8
  7. Known issues: None in the collected release health data
  8. 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
  9. 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 (44)

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

  1. 7 Nov 2026 · 12:08:21 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  2. 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
  3. 7 Nov 2026 · 12:08:21 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  4. 6 Nov 2026 · 17:32:22 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  5. 6 Nov 2026 · 17:32:22 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  6. 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
  7. 6 Nov 2026 · 17:32:22 UTC Source coverage: windows-known-issuesIncomplete → Current
  8. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  9. 6 Nov 2026 · 16:31:02 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  10. 6 Nov 2026 · 16:31:02 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  11. 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
  12. 6 Nov 2026 · 16:31:02 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  13. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  14. 5 Nov 2026 · 23:42:03 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  15. 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
  16. 5 Nov 2026 · 23:42:03 UTC Source coverage: windows-known-issuesIncomplete → Current
  17. 5 Nov 2026 · 22:41:52 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  18. 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
  19. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  20. 3 Nov 2026 · 01:53:36 UTC CVEs listed directly for this KBCVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642 → CVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
  21. 3 Nov 2026 · 01:53:36 UTC CVEs fixedCVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642 → CVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
  22. 3 Nov 2026 · 01:53:36 UTC Applies toSkype for Business Server 2019 CU8 → Skype for Business Server Subscription Edition CU1, Skype for Business Server 2019 CU8
  23. 3 Nov 2026 · 01:53:36 UTC SummarySecurity update fixing 9 collected CVEs. → Security update fixing 10 collected CVEs.
  24. 2 Nov 2026 · 17:30:39 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  25. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  26. 2 Nov 2026 · 16:27:39 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  27. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  28. 29 Oct 2026 · 20:19:26 UTC Known issues affecting this updateNone in the collected release health data
  29. 28 Oct 2026 · 08:37:56 UTC Link: Support articlehttps://support.microsoft.com/help/5123300 → https://support.microsoft.com/en-us/help/5123300
  30. 27 Oct 2026 · 16:51:02 UTC CVEs listed directly for this KBCVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642 → CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
  31. 27 Oct 2026 · 16:51:02 UTC CVEs fixedCVE-2026-66302, CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642 → CVE-2026-69646, CVE-2026-66304, CVE-2026-66307, CVE-2026-66305, CVE-2026-63523, CVE-2026-66303, CVE-2026-66306, CVE-2026-66308, CVE-2026-69642
  32. 27 Oct 2026 · 16:51:02 UTC SummarySecurity update fixing 10 collected CVEs. → Security update fixing 9 collected CVEs.
  33. 23 Oct 2026 · 09:33:49 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  34. 23 Oct 2026 · 09:33:49 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  35. 23 Oct 2026 · 09:33:49 UTC Known issues causedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  36. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-known-issuesIncomplete → Current
  37. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  38. 23 Oct 2026 · 08:31:50 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  39. 23 Oct 2026 · 08:31:50 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  40. 23 Oct 2026 · 08:31:50 UTC Known issues causedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  41. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  42. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  43. 14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  44. 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 01:34 UTC · 275 of 275 readable · 273 fully read · documentation 467/469 current

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