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Recorded 25 Oct 2026 at 17:12 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.

The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.

The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.

CVEMicrosoft Security Response Center

Windows DHCP Client Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.

What it said

CVE
CVE-2026-69781
Severity
Important
CVSS base score
6.5
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Impact
Denial of Service
Exploitation detected
Not reported by MSRC
Publicly disclosed
No
Exploitability
Exploitation Unlikely
Component
Windows DHCP Client
Weakness
CWE-401: Missing Release of Memory after Effective Lifetime
Issued by
Microsoft
Customer action
Required: apply the update
Affected products
Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows Server 2025, Windows Server 2025 (Server Core installation)
Updates that fix it
KB5122871: Windows Server 2025, Windows Server 2025 (Server Core installation) (restart required); KB5124008: Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems (restart required); KB5124012: Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems (restart required)
CISA KEV
Not listed in the collected catalog
EPSS
0.6%; scored 25 Oct 2026
Public exploit code
No Nuclei template listed
Published
8 Sep 2026 07:00 UTC
Last revised
8 Sep 2026 07:00 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
Complete at observationRead 25 Oct 2026 at 17:11 UTC
CISA KEV
Complete at observationRead 25 Oct 2026 at 17:11 UTC
FIRST EPSS
Complete at observationRead 25 Oct 2026 at 17:11 UTC
Public detection templates (Nuclei)
Complete at observationRead 25 Oct 2026 at 17:11 UTC

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

What changed

  1. 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
  2. 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 (25)

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

  1. 25 Oct 2026 · 17:12:51 UTC EPSS0.6%; scored 24 Oct 2026 → 0.6%; scored 25 Oct 2026
  2. 25 Oct 2026 · 01:34:18 UTC EPSS0.6%; scored 23 Oct 2026 → 0.6%; scored 24 Oct 2026
  3. 23 Oct 2026 · 15:51:28 UTC EPSS0.6%; scored 22 Oct 2026 → 0.6%; scored 23 Oct 2026
  4. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  5. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  6. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  7. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  8. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  9. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  10. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  11. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  12. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  13. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  14. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  15. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  16. 22 Oct 2026 · 17:33:15 UTC EPSS0.6%; scored 21 Oct 2026 → 0.6%; scored 22 Oct 2026
  17. 21 Oct 2026 · 21:47:24 UTC EPSS0.6%; scored 20 Oct 2026 → 0.6%; scored 21 Oct 2026
  18. 20 Oct 2026 · 20:53:31 UTC EPSS0.6%; scored 19 Oct 2026 → 0.6%; scored 20 Oct 2026
  19. 19 Oct 2026 · 15:12:40 UTC EPSS0.6%; scored 18 Oct 2026 → 0.6%; scored 19 Oct 2026
  20. 18 Oct 2026 · 14:54:30 UTC EPSS0.6%; scored 16 Oct 2026 → 0.6%; scored 18 Oct 2026
  21. 18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
  22. 16 Oct 2026 · 16:13:25 UTC EPSS0.6%; scored 15 Oct 2026 → 0.6%; scored 16 Oct 2026
  23. 15 Oct 2026 · 21:30:54 UTC EPSS0.6%; scored 14 Oct 2026 → 0.6%; scored 15 Oct 2026
  24. 15 Oct 2026 · 01:07:54 UTC EPSS0.6%; scored 13 Oct 2026 → 0.6%; scored 14 Oct 2026
  25. 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 9 Nov 23:26 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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