CVE-2025-55241 — Microsoft Entra ID (formerly Azure AD) Token Validation Failure → Full Tenant Compromise (CVSS 10.0) Vulnerability Analysis Report — By CyberDudeBivash Author: CyberDudeBivash · Powered by: CyberDudeBivash
Vulnerability Analysis Report — By CyberDudeBivash Author: CyberDudeBivash · Powered by: CyberDudeBivash Executive Summary Microsoft has patched CVE-2025-55241 , a critical token validation flaw in Microsoft Entra ID (Azure Active Directory) . With a CVSS score of 10.0 (maximum) , this vulnerability allowed attackers to bypass token validation and impersonate any user across any tenant , including Global Administrators . This was effectively a “God mode” exploit for cloud identity, posing catastrophic risk: complete takeover of enterprise tenants, exfiltration of data, disabling of security controls, and privilege escalation across connected Microsoft 365 and Azure resources. Technical Details Vulnerability Class : Token Validation Failure (CWE-345: Insufficient Verification of Data Authenticity). Component : Microsoft Entra ID (Azure AD) — the core identity platform used by millions of enterprises globally. Impact : Allows attackers to forge tokens that woul...