Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
Fix
Public exploits 15
- 0xBlackash/CVE-2026-54121 PoC on GitHub
- AnibusCode/CVE-2026-54121-Certighost PoC on GitHub
- AtlasVector/Certighost-CVE-2026-54121 PoC on GitHub
- ChPratik/CVE-2026-54121 PoC on GitHub
- GlendonNotGlen/certighost-cve-2026-54121-slides PoC on GitHub
- HORKimhab/CVE-2026-54121 PoC on GitHub
- KrakenEU/CVE-2026-54121-CertiGhost PoC on GitHub
- L0u7r3/certighost PoC on GitHub
- ZeroDayEvil/CVE-2026-54121-Certighost PoC on GitHub
- aniqfakhrul/CVE-2026-54121 PoC on GitHub
- marcgoam/CVE-2026-54121-CertiGhost PoC on GitHub
- nafiez/Metasploit-CVE-2026-54121-Certighost PoC on GitHub
- sam00/POC-CVE-2026-54121-Certighost PoC on GitHub
- tc4dy/CVE-2026-54121-PoC-Exploit PoC on GitHub
- ushst/CVE-2026-54121-adcs-chase-nxc PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54121 vendor-advisory, patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.8 · microsoftNVD modified 2026-10-28 20:05
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54121 vendor-advisory, patch