CVE-2026-33843

9.8 criticalEPSS 0.5%

Critical (9.8) in microsoft entra id. EPSS 0.5% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-288
Published: 2026-05-22
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

microsoft:entra_id

References

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

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