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Microsoft Security Response CenterCVE-2026-42901

Microsoft Entra ID Elevation of Privilege Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft Entra ID
10.0CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Entra ID
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-42901View CVSS, KEV, EPSS, and threat context
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