CVE-2026-27928

EUVD-2026-22481
Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.7 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_server_2016
𝑥
< 10.0.14393.9060
microsoftwindows_server_2019
𝑥
< 10.0.17763.8644
microsoftwindows_server_2022
𝑥
< 10.0.20348.5020
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.2274
microsoftwindows_server_2025
𝑥
< 10.0.26100.32690
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard
Windows Server 2022
23H2 Server Core
Server Core
Standard
Windows Server 2025
Server Core
Standard