CVE-2026-83711
Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
- State
- Published
- Severity
- 10.0 Critical
- Published
- Sep 3, 2026
- Updated
- Oct 31, 2026
- Reserved
- Aug 31, 2026
Description
Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
EntraMicrosoft |
|
References
- Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerabilityvendor-advisorypatch
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