CVE-2026-33843
Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
- State
- Published
- Severity
- 9.1 Critical
- Published
- May 22, 2026
- Updated
- Aug 10, 2026
- Reserved
- Mar 24, 2026
Description
Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | microsoft |
Weaknesses
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
Affected Products
| Product | Versions |
|---|---|
Microsoft EntraMicrosoft |
|
References
- Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerabilityvendor-advisorypatch
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