What is CVE-2026-42901?

CVE-2026-42901 is a security advisory published by Microsoft Security Response Center (MSRC) with Elevation of Privilege severity. Microsoft Entra ID Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-42901 cover?

CVE-2026-42901 covers the following CVE IDs: CVE-2026-42901. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42901?

CVE-2026-42901 has a CVSS v3 base score of 10.0, published by Microsoft Security Response Center (MSRC).

CVE-2026-42901Elevation of PrivilegeCVSS 10.0

Microsoft Entra ID Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-42901 →

📋 Description

<p>Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.</p>