CVE-2026-42901CRITICAL 10.0EPSS p30.9%

CVE-2026-42901CVE-2026-42901

Description

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

Scoring

CVSS 3.110.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 30.9% · 2026-06-19T12:03:05Z
Published2026-05-22
Last modified2026-05-26

Underlying weaknesses· 1

CWE-346

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901

1

TypeTargetConfidenceTier
WeaknessOrigin Validation Errorcwe-3460%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.