CVE-2026-42901 | BDVDB-2026-334591 Detail

MicrosoftMicrosoft Entra

Description#

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

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

No public exploit known

10.0 Critical

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 23.0.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

No version data in the source record.

Not available

10.0 Critical

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).