high8.7
CVE-2026-27928
Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.
Impact
Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2016 | before 10.0.14393.9060 |
| Microsoft | Windows Server 2019 | before 10.0.17763.8644 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5020 |
| Microsoft | Windows Server 2022 23h2 | before 10.0.25398.2274 |
| Microsoft | Windows Server 2025 | before 10.0.26100.32690 |