**Source : Help Net Security | 27 juillet 2026** Security researchers who discovered and reported CVE-2026-54121 (aka “Certighost”), a critical privilege elevation vulnerability in Active Directory Certificate Services (AD CS), have released a proof-of-concept (PoC) exploit for and technical details related to the flaw. The vulnerability AD CS is a Microsoft Windows Server role that lets an organization run its own Public Key Infrast... 👉 **Lire l'article complet sur Help Net Security :** [https://www.helpnetsecurity.com/2026/07/27/certighost-cve-2026-54121-poc-exploit-released/](https://www.helpnetsecurity.com/2026/07/27/certighost-cve-2026-54121-poc-exploit-released/)