Azure Enterprise Security Token Service CVEs and Security Vulnerabilities

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CVEs in KEV CVEs with EPSS >= 80% Crit. Microsoft High Apache SQL Injection (CWE-89) Linux Kernel High (CVSS 3.1) Apache Struts RCE (Remote Code Execution) XSS (CWE-79) Critical (CVSS 4.0) CVEs to check

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CVE	Vendors	Products	Updated	CVSS v3.1
CVE-2026-40379	1 Microsoft	3 Azure Enterprise Security Token Service, Entra Id, Microsoft Entra Id	2026-05-21	9.3 Critical
Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network.

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