CVE-2026-27928

No fix known EPSS <1%CVSS 8.7

Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.

Published 2026-04-14 · CVE record · OSV

Products: Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows Server 2022, 23H2 Edition (Server Core installation), Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation)