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CVE-2026-69744ImportantDoSNetworkRevised 4 Nov

Windows Kerberos Denial of Service Vulnerability

MSRC advisory NVD CVE.org

Assessment

Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.

Severity
Important
CVSS base score
7.5
Impact
Denial of Service
Exploitation detected
No known exploitation (MSRC assessment)
Exploitability
Exploitation Unlikely
Publicly disclosed
No (MSRC assessment)
EPSS · 30-day forecast
1.2%FIRST forecast dated 10 Nov 2026, for the following 30 days · FIRST percentile 67.8% · about EPSS
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Windows Kerberos
Weakness
CWE-476: NULL Pointer Dereference
Issued by
Microsoft
Published
8 Sep 2026 · September 2026
Last revised
4 Nov 2026Updated an acknowledgement. This is an informational change only.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
LowAC:L
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
NoneI:N
Availability
HighA:H

Updates that fix it

2 KBs
KBTypeRestartApplies toKnown issuesOther CVEs
KB5122871 Security UpdateRequiredWindows Server 2025, Windows Server 2025 (Server Core installation)ResolvedUSB audio devices might fail to start or produce no soundAll CVEs in KB5122871
KB5124008 Security UpdateRequiredWindows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 1 moreResolvedUSB audio devices might fail to start or produce no soundResolvedDomain-joined devices might lose their secure trust relationship with the domainAll CVEs in KB5124008

Affected products

Windows
6 affected products

What changed

  1. Publisher revision note: Information published. → Updated an acknowledgement. This is an informational change only.
  2. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  4. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  5. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  6. Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → No (MSRC assessment) · Exploitation detected: Not reported by MSRC → No known exploitation (MSRC assessment)
  7. Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  8. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog 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 (63)

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

  1. 10 Nov 2026 · 21:34:10 UTC Revision noteInformation published. → Updated an acknowledgement. This is an informational change only.
  2. 10 Nov 2026 · 21:34:10 UTC Last revised8 Sep 2026 07:00 UTC → 4 Nov 2026 08:00 UTC
  3. 10 Nov 2026 · 18:32:11 UTC EPSS1.2%; scored 9 Nov 2026 → 1.2%; scored 10 Nov 2026
  4. 9 Nov 2026 · 22:24:37 UTC EPSS1.2%; scored 8 Nov 2026 → 1.2%; scored 9 Nov 2026
  5. 8 Nov 2026 · 15:16:05 UTC EPSS1.2%; scored 7 Nov 2026 → 1.2%; scored 8 Nov 2026
  6. 7 Nov 2026 · 16:12:44 UTC EPSS1.2%; scored 6 Nov 2026 → 1.2%; scored 7 Nov 2026
  7. 6 Nov 2026 · 19:15:37 UTC EPSS1.2%; scored 5 Nov 2026 → 1.2%; scored 6 Nov 2026
  8. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  9. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  10. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  11. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  12. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  13. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  14. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  15. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  16. 5 Nov 2026 · 23:42:03 UTC EPSS1.2%; scored 4 Nov 2026 → 1.2%; scored 5 Nov 2026
  17. 5 Nov 2026 · 02:36:20 UTC EPSS1.2%; scored 3 Nov 2026 → 1.2%; scored 4 Nov 2026
  18. 4 Nov 2026 · 03:04:37 UTC EPSS1.2%; scored 2 Nov 2026 → 1.2%; scored 3 Nov 2026
  19. 3 Nov 2026 · 01:53:36 UTC EPSS1.2%; scored 1 Nov 2026 → 1.2%; scored 2 Nov 2026
  20. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  21. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  22. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  23. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  24. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  25. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  26. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  27. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  28. 2 Nov 2026 · 00:36:51 UTC EPSS1.2%; scored 31 Oct 2026 → 1.2%; scored 1 Nov 2026
  29. 31 Oct 2026 · 18:22:15 UTC EPSS1.2%; scored 30 Oct 2026 → 1.2%; scored 31 Oct 2026
  30. 30 Oct 2026 · 18:02:45 UTC EPSS1.2%; scored 29 Oct 2026 → 1.2%; scored 30 Oct 2026
  31. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  32. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  33. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → No (MSRC assessment)
  34. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → No known exploitation (MSRC assessment)
  35. 29 Oct 2026 · 18:33:30 UTC EPSS1.2%; scored 28 Oct 2026 → 1.2%; scored 29 Oct 2026
  36. 28 Oct 2026 · 20:00:33 UTC EPSS1.2%; scored 27 Oct 2026 → 1.2%; scored 28 Oct 2026
  37. 27 Oct 2026 · 15:48:13 UTC EPSS1.2%; scored 26 Oct 2026 → 1.2%; scored 27 Oct 2026
  38. 26 Oct 2026 · 23:57:09 UTC EPSS1.2%; scored 25 Oct 2026 → 1.2%; scored 26 Oct 2026
  39. 25 Oct 2026 · 17:12:51 UTC EPSS1.2%; scored 24 Oct 2026 → 1.2%; scored 25 Oct 2026
  40. 25 Oct 2026 · 01:34:18 UTC EPSS1.2%; scored 23 Oct 2026 → 1.2%; scored 24 Oct 2026
  41. 23 Oct 2026 · 15:51:28 UTC EPSS1.2%; scored 22 Oct 2026 → 1.2%; scored 23 Oct 2026
  42. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  43. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  44. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  45. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  46. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  47. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  48. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  49. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  50. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  51. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  52. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  53. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  54. 22 Oct 2026 · 17:33:15 UTC EPSS1.2%; scored 21 Oct 2026 → 1.2%; scored 22 Oct 2026
  55. 21 Oct 2026 · 21:47:24 UTC EPSS1.2%; scored 20 Oct 2026 → 1.2%; scored 21 Oct 2026
  56. 20 Oct 2026 · 20:53:31 UTC EPSS1.2%; scored 19 Oct 2026 → 1.2%; scored 20 Oct 2026
  57. 19 Oct 2026 · 15:12:40 UTC EPSS1.2%; scored 18 Oct 2026 → 1.2%; scored 19 Oct 2026
  58. 18 Oct 2026 · 14:54:30 UTC EPSS1.2%; scored 16 Oct 2026 → 1.2%; scored 18 Oct 2026
  59. 18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
  60. 16 Oct 2026 · 16:13:25 UTC EPSS1.2%; scored 15 Oct 2026 → 1.2%; scored 16 Oct 2026
  61. 15 Oct 2026 · 21:30:54 UTC EPSS1.2%; scored 14 Oct 2026 → 1.2%; scored 15 Oct 2026
  62. 15 Oct 2026 · 01:07:54 UTC EPSS1.2%; scored 13 Oct 2026 → 1.2%; scored 14 Oct 2026
  63. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current

Explore global source statements, affected packages and advisory history for CVE-2026-69744. The catalog has a separate collection scope from Microsoft release records.

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

4 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

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 11:03 UTC · 264 of 275 readable · 263 fully read · documentation 469/469 current

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