Death by Token: Understanding CVE-2025-55241
In this blog, we take a closer look at CVE-2025-55241, a critical Entra ID flaw that briefly allowed attackers to impersonate Global Admins across any tenant, no phishing or passwords required. While Microsoft moved fast to patch the issue, it exposed how deeply legacy code can undermine modern security efforts. We’ll break down what happened, why it matters, and what admins should do now to stay protected.
October 14, 2025