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HackerNoon · 1 min read

CVE-2026-56155: The Actively Exploited AD FS Flaw That Hands Over Your Identity Keys

CVE-2026-56155: The Actively Exploited AD FS Flaw That Hands Over Your Identity Keys

CVE-2026-56155 is an actively exploited AD FS flaw exposing token-signing keys — why patching alone isn't enough, and today's CISA deadline.

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