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KB5002923

Security update fixing 30 CVEs

Support article Update Catalog CVEs in Security CVE list for a ticket
30CVEs fixed · 3 critical
0Exploited or in CISA KEV

No known issues affecting this update, or resolved by it, were identified in the collected Windows release health data.

Security fixes

30 Microsoft CVEs · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-78509 Microsoft Office Outlook Remote Code Execution VulnerabilityMicrosoft Office Outlook Critical 9.81.0%RCENetwork Revised 17 Sep
CVE-2026-78525 Microsoft Office Outlook Remote Code Execution VulnerabilityMicrosoft Office Outlook Critical 8.80.8%RCENetwork Revised 17 Sep
CVE-2026-78520 Microsoft Office Outlook Information Disclosure VulnerabilityMicrosoft Office Outlook Critical 6.50.9%RCENetwork Revised 17 Sep
CVE-2026-69556 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork
CVE-2026-69671 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
CVE-2026-69686 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
CVE-2026-69722 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
CVE-2026-69759 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
CVE-2026-69764 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork
CVE-2026-72972 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
Showing the 10 most urgent of 30All 30 CVEs

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: Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition), Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) → Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
  9. 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
  10. 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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Field-level log (44)

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  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 Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  8. 6 Nov 2026 · 17:32:22 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  9. 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
  10. 6 Nov 2026 · 17:32:22 UTC Source coverage: windows-known-issuesIncomplete → Current
  11. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  12. 6 Nov 2026 · 16:31:02 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  13. 6 Nov 2026 · 16:31:02 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  14. 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
  15. 6 Nov 2026 · 16:31:02 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  16. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → 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 · 22:41:52 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  21. 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
  22. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  23. 2 Nov 2026 · 17:30:39 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  24. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  25. 2 Nov 2026 · 16:27:39 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  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 Link: Support articlehttps://support.microsoft.com/help/5002923 → https://support.microsoft.com/en-us/help/5002923
  29. 27 Oct 2026 · 16:51:02 UTC CVEs listed directly for this KBCVE-2026-78509, CVE-2026-78525, CVE-2026-78520, CVE-2026-69556, CVE-2026-69671, CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-69764, CVE-2026-72972, CVE-2026-72973, CVE-2026-77901, CVE-2026-78504, CVE-2026-78511, CVE-2026-78514, CVE-2026-78517, CVE-2026-78521, CVE-2026-80080, CVE-2026-80085, CVE-2026-62804, CVE-2026-69719, CVE-2026-77911, CVE-2026-78502, CVE-2026-78503, CVE-2026-78522, CVE-2026-80079, CVE-2026-80090, CVE-2026-78506, CVE-2026-83949, CVE-2026-83951, CVE-2026-72976 → CVE-2026-78509, CVE-2026-78525, CVE-2026-78520, CVE-2026-69556, CVE-2026-69671, CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-69764, CVE-2026-72972, CVE-2026-72973, CVE-2026-77901, CVE-2026-78504, CVE-2026-78511, CVE-2026-78514, CVE-2026-78517, CVE-2026-78521, CVE-2026-80080, CVE-2026-80085, CVE-2026-69719, CVE-2026-77911, CVE-2026-78502, CVE-2026-78503, CVE-2026-78522, CVE-2026-80079, CVE-2026-80090, CVE-2026-78506, CVE-2026-83949, CVE-2026-83951, CVE-2026-72976
  30. 27 Oct 2026 · 16:51:02 UTC CVEs fixedCVE-2026-78509, CVE-2026-78525, CVE-2026-78520, CVE-2026-69556, CVE-2026-69671, CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-69764, CVE-2026-72972, CVE-2026-72973, CVE-2026-77901, CVE-2026-78504, CVE-2026-78511, CVE-2026-78514, CVE-2026-78517, CVE-2026-78521, CVE-2026-80080, CVE-2026-80085, CVE-2026-62804, CVE-2026-69719, CVE-2026-77911, CVE-2026-78502, CVE-2026-78503, CVE-2026-78522, CVE-2026-80079, CVE-2026-80090, CVE-2026-78506, CVE-2026-83949, CVE-2026-83951, CVE-2026-72976 → CVE-2026-78509, CVE-2026-78525, CVE-2026-78520, CVE-2026-69556, CVE-2026-69671, CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-69764, CVE-2026-72972, CVE-2026-72973, CVE-2026-77901, CVE-2026-78504, CVE-2026-78511, CVE-2026-78514, CVE-2026-78517, CVE-2026-78521, CVE-2026-80080, CVE-2026-80085, CVE-2026-69719, CVE-2026-77911, CVE-2026-78502, CVE-2026-78503, CVE-2026-78522, CVE-2026-80079, CVE-2026-80090, CVE-2026-78506, CVE-2026-83949, CVE-2026-83951, CVE-2026-72976
  31. 27 Oct 2026 · 16:51:02 UTC Applies toMicrosoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition), Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) → Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
  32. 27 Oct 2026 · 16:51:02 UTC SummarySecurity update fixing 31 collected CVEs. → Security update fixing 30 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

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