CVE-2026-54121 on Tony's Tech Noteshttps://tonymerisan.com/tags/cve-2026-54121/Recent content in CVE-2026-54121 on Tony's Tech NotesHugoes-esSun, 26 Jul 2026 00:00:00 +0000Certighost (CVE-2026-54121) - AD CS Domain Controller Impersonationhttps://tonymerisan.com/posts/certighost-cve-2026-54121-ad-cs-dc-impersonation/Sun, 26 Jul 2026 00:00:00 +0000https://tonymerisan.com/posts/certighost-cve-2026-54121-ad-cs-dc-impersonation/CVE-2026-54121 allows a low-privileged domain user to impersonate a Domain Controller via an AD CS enrollment chase fallback, leading to full domain compromise. Patched July 2026.