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Recorded 23 Oct 2026 at 15:51 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 TCP/IP Denial of Service Vulnerability

Missing release of memory after effective lifetime in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

What it said

CVE
CVE-2026-69588
Severity
Important
CVSS base score
7.5
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
Impact
Denial of Service
Exploitation detected
Not reported by MSRC
Publicly disclosed
No
Exploitability
Exploitation Unlikely
Component
Windows TCP/IP
Weakness
CWE-401: Missing Release of Memory after Effective Lifetime
Issued by
Microsoft
Customer action
Required: apply the update
Affected products
Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, 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 2022, Windows Server 2022 (Server Core installation), 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); KB5122880: Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems (restart required); KB5122882: Windows Server 2022, Windows Server 2022 (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
1.2%; scored 23 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 23 Oct 2026 at 15:50 UTC
CISA KEV
Complete at observationRead 23 Oct 2026 at 15:50 UTC
FIRST EPSS
Complete at observationRead 23 Oct 2026 at 15:50 UTC
Public detection templates (Nuclei)
Complete at observationRead 23 Oct 2026 at 15:50 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 (23)

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

  1. 23 Oct 2026 · 15:51:28 UTC EPSS1.2%; scored 22 Oct 2026 → 1.2%; scored 23 Oct 2026
  2. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  3. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  4. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  5. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  6. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  7. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  8. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  9. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  10. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  11. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  12. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  13. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  14. 22 Oct 2026 · 17:33:15 UTC EPSS1.2%; scored 21 Oct 2026 → 1.2%; scored 22 Oct 2026
  15. 21 Oct 2026 · 21:47:24 UTC EPSS1.2%; scored 20 Oct 2026 → 1.2%; scored 21 Oct 2026
  16. 20 Oct 2026 · 20:53:31 UTC EPSS1.2%; scored 19 Oct 2026 → 1.2%; scored 20 Oct 2026
  17. 19 Oct 2026 · 15:12:40 UTC EPSS1.2%; scored 18 Oct 2026 → 1.2%; scored 19 Oct 2026
  18. 18 Oct 2026 · 14:54:30 UTC EPSS1.2%; scored 16 Oct 2026 → 1.2%; scored 18 Oct 2026
  19. 18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
  20. 16 Oct 2026 · 16:13:25 UTC EPSS1.2%; scored 15 Oct 2026 → 1.2%; scored 16 Oct 2026
  21. 15 Oct 2026 · 21:30:54 UTC EPSS1.2%; scored 14 Oct 2026 → 1.2%; scored 15 Oct 2026
  22. 15 Oct 2026 · 01:07:54 UTC EPSS1.2%; scored 13 Oct 2026 → 1.2%; scored 14 Oct 2026
  23. 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 469/469 current

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