CVE-2026-42901 | THREATINT

Description

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

PUBLISHED Reserved 2026-04-30 | Published 2026-05-22 | Updated 2026-05-23 | Assigner microsoft

CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-346: Origin Validation Error

Product status

–
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901 (Microsoft Entra ID Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-42901)

nvd.nist.gov (CVE-2026-42901)

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