May 2026: Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
CVE-2026-33843 Published on May 22, 2026

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

Vendor Advisory NVD

Weakness Type

Authentication Bypass Using an Alternate Path or Channel

A product requires authentication, but the product has an alternate path or channel that does not require authentication.


Products Associated with CVE-2026-33843

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Affected Versions

Microsoft Entra Version - is affected by CVE-2026-33843

Exploit Probability

EPSS
0.47%
Percentile
38.31%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.