CVE-2026-33843
CRITICALMicrosoft Azure Active Directory B2C Elevation of Privilege Vulnerability
Title source: cnaDescription
Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843
Scores
CVSS v3
9.1
EPSS
0.0047
EPSS Percentile
37.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-288
Status
published
Products (2)
microsoft/entra_id
Microsoft/Microsoft Entra
-
Published
May 22, 2026
Tracked Since
May 23, 2026