CVE-2026-42901

Microsoft Entra ID Elevation of Privilege Vulnerability

Published May 22, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft entra Id
CPEs cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:*
Vendors & Products Microsoft entra Id
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft Entra ID Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft microsoft Entra Id
Weaknesses CWE-346
CPEs cpe:2.3:a:microsoft:microsoft_entra_id:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft Entra Id
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:13 PM
Reserved
Apr 30, 2026, 10:35 PM
Status
Analyzed
Published
May 22, 2026, 11:16 PM
Modified
Jul 23, 2026, 11:10 AM