CVE-2026-42901

10.0 criticalEPSS 0.3%

Critical (10.0) in microsoft entra id. EPSS 0.3% chance of exploitation in the next 30 days.

Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Severity

10.0 critical

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-346
Published: 2026-05-22
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19