CVE Catalog

CVE-2026-33843

CriticalCVSS 9.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.47%

38th percentile - higher than 38% of all known CVEs

Summary

Microsoft Azure Active Directory B2C contains an authentication bypass vulnerability using an alternate path or channel, allowing an unauthorized attacker to elevate privileges over a network.

Risk Assessment

Attackers can gain unauthorized access to resources and elevate privileges, potentially compromising the entire Azure AD B2C tenant.

Recommendation

Apply security updates provided by Microsoft for Azure AD B2C.

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS