AD FS Distributed Key Manager (DKM) container ACL hardening begins today

Starting with the October 2026 Windows update, AD FS Distributed Key Manager (DKM) container ACL hardening will be enforced to address a privilege elevation vulnerability.

“Services: Windows. <div><b>What and why</b></div><div>Beginning with the October 2026 Windows security update, AD FS Distributed Key Manager (DKM) container access control list (ACL) hardening enters Enforcement mode. These protections address the elevation of privilege vulnerability described in <a href=" rel="noope…”

View original article →

Identity

authenticationauthorization

Security

endpoint_securitythreat_protection

Audience

adminsecurity_engineer

Environment

cloudon_premises

Classification confidence: 95%

Loading correlations…