HIGHCVE-2026-27928Published Modified CNA microsoft
CVE-2026-27928: Windows Hello Security Feature Bypass Vulnerability
Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.
Metrics
- CVSS v3.1
- 8.7
- Severity
- HIGH
- Fixed in
- 10.0.14393.9060
- Affected Products
- 8
Fix available
10.0.14393.906010.0.17763.864410.0.20348.502010.0.25398.227410.0.26100.32690
Patch commits
Affected packages
- Microsoft / Windows Server 2016< 10.0.14393.9060 (from 10.0.14393.0)
- Microsoft / Windows Server 2016 (Server Core installation)< 10.0.14393.9060 (from 10.0.14393.0)
- Microsoft / Windows Server 2019< 10.0.17763.8644 (from 10.0.17763.0)
- Microsoft / Windows Server 2019 (Server Core installation)< 10.0.17763.8644 (from 10.0.17763.0)
- Microsoft / Windows Server 2022< 10.0.20348.5020 (from 10.0.20348.0)
- Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)< 10.0.25398.2274 (from 10.0.25398.0)
- Microsoft / Windows Server 2025< 10.0.26100.32690 (from 10.0.26100.0)
- Microsoft / Windows Server 2025 (Server Core installation)< 10.0.26100.32690 (from 10.0.26100.0)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C