CVE-2026-83711 PUBLISHED

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 31.08.2026 Published: 03.09.2026 Updated: 03.09.2026

Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1

CVSS Vector: 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
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Microsoft
Product	Entra
Versions	Version - is affected

References

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

CVE-2026-83711 PUBLISHED

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

Metrics

Product Status

References

Problem Types