PT-2026-42841 · Microsoft · Azure Active Directory B2C

Alexander Tan

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CVE-2026-33843

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Published

2026-05-21

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Updated

2026-07-23

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Azure Active Directory B2C (affected versions not specified)
Description An authentication bypass exists via an alternate path or channel, which allows an unauthorized attacker to elevate privileges over a network.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Authentication Bypass Using an Alternate Path or Channel

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Weakness Enumeration

CWE-288

Related Identifiers

BDU:2026-07702
CVE-2026-33843

Affected Products

Azure Active Directory B2C