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CVE-2026-33843

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

CVSS 9.1 CRITICALEPSS 0.5%CWE-288
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Microsoft · Microsoft Entra

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References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843