CVE-2026-80092

Microsoft Identity Web Elevation of Privilege Vulnerability

State: Published
Severity: 5.3 Medium
Published: Oct 16, 2026
Updated: Oct 31, 2026
Reserved: Aug 25, 2026

Description

Authentication bypass by assumed-immutable data in Microsoft Identity Web allows an authorized attacker to elevate privileges over a network.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-302 Authentication Bypass by Assumed-Immutable Data

Affected Products

Product	Versions
microsoft-identity-webMicrosoft	>=4.16.0 <4.16.1 to before 4.16.1Affected
microsoft-identity-webMicrosoft	<3.16.0 to before 3.16.0Affected

References

Microsoft Identity Web Elevation of Privilege Vulnerabilityvendor-advisorypatch

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