CVE-2026-33843CWE-288

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

Critical · published May 22, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
58.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00865 · 58.3th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2026-05-22T22:03Z
EPSS history
Timeline
  • 22 MAY 22:03Z
    Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
    cvelistv5