CVE-2026-27928

published 2026-04-14

CVE-2026-27928: Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.

high 8.7 CVSS 3.1

AV N AC H PR N UI N S C C H I H A N

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

Affected

9 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_server_2016	< 10.0.14393.9060	10.0.14393.9060
microsoft	windows_server_2016	>= 10.0.14393.0 < 10.0.14393.9060	10.0.14393.9060
microsoft	windows_server_2019	< 10.0.17763.8644	10.0.17763.8644
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.8644	10.0.17763.8644
microsoft	windows_server_2022	< 10.0.20348.5020	10.0.20348.5020
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.5020	10.0.20348.5020
microsoft	windows_server_2022_23h2	< 10.0.25398.2274	10.0.25398.2274
microsoft	windows_server_2025	< 10.0.26100.32690	10.0.26100.32690
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.32690	10.0.26100.32690

CWE-20