CVE-2026-33843

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

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-22 23:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-33843

Mitre link : CVE-2026-33843

CVE.ORG link : CVE-2026-33843

JSON object : View

Products Affected

microsoft

entra_id

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

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