CVE-2026-80092
Received Received - Intake

Authentication Bypass in Microsoft Identity Web

Publication date: 2026-10-16

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

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

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Meta Information

Published
2026-10-16
Last Modified
2026-10-16
Generated
2026-10-16
AI Q&A
2026-10-16
EPSS Evaluated
N/A
NVD
CVE-2026-80092
EUVD
EUVD-2026-102953

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Microsoft microsoft-identity-web 1.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-302 The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.

Attack-Flow Graph

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Executive Summary

This vulnerability is an authentication bypass in Microsoft Identity Web caused by assumed-immutable data. An authorized attacker can exploit this to elevate their privileges over a network without needing additional authentication.

Impact Analysis

An attacker could gain higher privileges than intended, potentially accessing sensitive data or performing unauthorized actions. This could lead to data breaches or system compromise if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft for Microsoft Identity Web to address the authentication bypass vulnerability. Monitor Microsoft's official security advisories for patches and follow their recommended mitigation steps.

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