Microsoft Security Advisory for Kerberos Hardening on Domain Controllers (CVE-2026-20833)
Microsoft has issued a critical advisory for IT administrators managing Windows Domain Controllers (DCs), targeting the mitigation of CVE-2026-20833, a Kerberos vulnerability that exposes legacy encryption protocols like RC4. This vulnerability allows attackers to request service tickets and potentially compromise service account credentials, particularly on DCs running older or extended support versions of Windows Server. … Read more