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CVE-2026-42901

Microsoft Entra ID Elevation of Privilege Vulnerability

Published: May 22, 2026Updated: May 27, 2026 Sources: CVE List NVD BDUCWE-346

No Known Exploits

Patch Available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

Affected Products

commercial·USaka Microsoft, microsoft corporation

Microsoft EntraOn-prem

Operating Systems / windows

Microsoft Entra IDOn-premSecurity Product

Security Products / identity-access-mgmt

entra idSaaSSaaS Service

Security Products / identity-access-mgmt

Exploitability

Official Patch Available

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References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901

msrc.microsoft.com

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