CVE-2026-62818
CVE CVE-2026-62818EUVD EUVD-2026-56395Published 2026-08-11T17:04:32.000ZLast changed 2026-08-19T17:17:05.000ZCVSS 8.8
What the advisory describes
Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code 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 10 Version 1607 10.0.14393.0 <10.0.14393.9418
- Microsoft — Windows 10 Version 1809 10.0.17763.0 <10.0.17763.9121
- Microsoft — Windows Server 2012 6.2.9200.0 <6.2.9200.26280
- Microsoft — Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.26280
- Microsoft — Windows Server 2012 R2 6.3.9600.0 <6.3.9600.23338
- Microsoft — Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.23338
- Microsoft — Windows Server 2016 10.0.14393.0 <10.0.14393.9418
- Microsoft — Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.9418
- Microsoft — Windows Server 2019 10.0.17763.0 <10.0.17763.9121
- Microsoft — Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.9121
- Microsoft — Windows Server 2022 10.0.20348.0 <10.0.20348.5499
- Microsoft — Windows Server 2025 10.0.26100.0 <10.0.26100.33296
- Microsoft — Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.33296
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 10
- 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.