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

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Fixes

Solution

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Workaround

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History

Wed, 14 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:azure_active_directory_b2c:-:*:*:*:*:*:*:*

Sat, 05 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 04 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft entra Id
Vendors & Products Microsoft entra Id

Thu, 03 Sep 2026 23:15:00 +0000

Type Values Removed Values Added
Description Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft azure Active Directory B2c
Weaknesses CWE-639
CPEs cpe:2.3:a:microsoft:azure_active_directory_b2c:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Active Directory B2c
References
Metrics cvssV3_1

{'score': 10, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-14T23:15:00.133Z

Reserved: 2026-08-31T22:43:34.220Z

Link: CVE-2026-83711

cve-icon Vulnrichment

Updated: 2026-09-04T19:50:49.383Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-03T23:17:20.500

Modified: 2026-10-14T18:38:42.623

Link: CVE-2026-83711

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-04T15:15:14Z

Weaknesses