Advisoriesby IbisMicrosoftCVE-2026-70573
Microsoft Windows Biometric Service: heap buffer overflow
Fix: upgrade to 10.0.14393.9512 or later (8 fixed versions below)
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Windows 10 Version 1607 Product | >= 10.0.14393.0, < 10.0.14393.9512 | 10.0.14393.9512 |
| Windows 10 Version 1809 Product | >= 10.0.17763.0, < 10.0.17763.9245 | 10.0.17763.9245 |
| Windows 10 Version 21H2 Product | >= 10.0.19044.0, < 10.0.19044.7725 | 10.0.19044.7725 |
| Windows 10 Version 22H2 Product | >= 10.0.19045.0, < 10.0.19045.7725 | 10.0.19045.7725 |
| Windows 11 Version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7582 | 10.0.22631.7582 |
| Windows 11 Version 24H2 Product | >= 10.0.26100.0, < 10.0.26100.9445 | 10.0.26100.9445 |
| Windows 11 Version 25H2 Product | >= 10.0.26200.0, < 10.0.26200.9445 | 10.0.26200.9445 |
| Windows 11 version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7582 | 10.0.22631.7582 |
| Windows 11 version 26H1 Product | >= 10.0.28000.0, < 10.0.28000.2954 | 10.0.28000.2954 |
| Windows Server 2016 Product | >= 10.0.14393.0, < 10.0.14393.9512 | 10.0.14393.9512 |
| Windows Server 2016 (Server Core installation) Product | >= 10.0.14393.0, < 10.0.14393.9512 | 10.0.14393.9512 |
| Windows Server 2019 Product | >= 10.0.17763.0, < 10.0.17763.9245 | 10.0.17763.9245 |