cve 2026 56155

  1. CVE-2026-56155: Fix AD FS DKM ACLs Before October Enforcement

    CVE-2026-56155 is an actively exploited elevation-of-privilege vulnerability in Active Directory Federation Services that can expose the private keys behind an organization’s federation tokens. Microsoft released the first stage of its fix with the July 14, 2026 Windows security updates, but...
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    • active directory federation services ad fs hardening cve 2026 56155 windows server security
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