CVE-2026-69809
CVE CVE-2026-69809EUVD EUVD-2026-73609Published 2026-09-08T17:16:34.000ZLast changed 2026-09-15T22:41:32.000ZCVSS 7.5
What the advisory describes
Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Microsoft — Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.7582
- Microsoft — Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.9445
- Microsoft — Windows 11 Version 25H2 10.0.26200.0 <10.0.26200.9445
- Microsoft — Windows 11 version 26H1 10.0.28000.0 <10.0.28000.2954
- Microsoft — Windows Server 2022 10.0.20348.0 <10.0.20348.5622
- Microsoft — Windows Server 2025 10.0.26100.0 <10.0.26100.33438
- Microsoft — Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.33438
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Microsoft — Windows 11
- Microsoft — Windows Server
Does this concern one of your customers?
This page cannot answer that — it does not know your estate. Whoever has recorded their environments gets the answer the morning after publication, together with a paragraph they can forward to the customer unedited.
Try it for 28 daysPatchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.