VIR Vulnerability Intelligence Relay

CVE-2026-42901

critical
Published 2026-05-22 · Modified 2026-05-27
CVSS v3
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2
—
VIR risk
10.0

Description

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

Predictions

Exploit likelihood
98%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42901

Application impact
VendorProductVersionsFixed
windows microsoftentra_id-

References

CWEs

CWE-346

Verify integrity in audit chain (admin only). AS-IS.