CVE-2026-62916

Received Received - Intake

Authentication Bypass in Microsoft Entra ID via Alternate Path

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Microsoft Corporation

Description

Authentication bypass using an alternate path or channel in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-03

Last Modified

2026-09-03

Generated

2026-09-04

AI Q&A

2026-09-04

EPSS Evaluated

N/A

NVD

CVE-2026-62916

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	entra_id	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-288	The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Attack-Flow Graph

Executive Summary

This vulnerability is an authentication bypass in Microsoft Entra ID that allows an unauthorized attacker to gain elevated privileges over a network by exploiting an alternate path or channel.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive systems or data, potentially leading to data breaches, privilege escalation, or further network compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements such as GDPR or HIPAA, resulting in legal penalties and reputational damage.

Mitigation Strategies

Implement strict access controls and review authentication logs for suspicious activity. Ensure Microsoft Entra ID is updated to the latest secure version and apply Microsoft's official patches immediately.

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