vulnerability 'Certighost' Flaw Haunts Microsoft Active Directory Certificates A critical vulnerability, dubbed ‘Certighost,’ has been patched by Microsoft that allowed a low-privileged domain user to impersonate a domain controller and compromise an Active Directory environment. The flaw stemmed from a broken trust boundary within the certificate enrollment process, enabling attackers to trick t… Dark Reading · Jul 28, 2026 Critical CVE-2026-54121UNcertificateactive directorypkis
threat-intel Inside AD CS Escalation: Unpacking Advanced Misuse Techniques and Tools This report from Palo Alto Unit 42 details how Active Directory Certificate Services (AD CS) is frequently exploited by both financially motivated ransomware groups and state-sponsored actors due to misconfigured templat… Palo Alto Unit 42 · May 11, 2026 High CVE-2022-26923NOad cscertificate issuanceprivilege escalation