High · published October 13, 2026
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_11_23h2 | < 10.0.22631.7652 | 10.0.22631.7652 |
| microsoft/windows_11_23h2 | < 10.0.22631.7652 | 10.0.22631.7652 |
| microsoft/windows_11_24h2 | < 10.0.26100.9711 | 10.0.26100.9711 |
| microsoft/windows_11_24h2 | < 10.0.26100.9711 | 10.0.26100.9711 |
| microsoft/windows_11_25h2 | < 10.0.26200.9711 | 10.0.26200.9711 |
| microsoft/windows_11_25h2 | < 10.0.26200.9711 | 10.0.26200.9711 |
| microsoft/windows_11_26h1 | < 10.0.28000.3231 | 10.0.28000.3231 |
| microsoft/windows_11_26h1 | < 10.0.28000.3231 | 10.0.28000.3231 |
| microsoft/windows_11_26h2 | < 10.0.26300.9711 | 10.0.26300.9711 |
| microsoft/windows_11_26h2 | < 10.0.26300.9711 | 10.0.26300.9711 |
| microsoft/windows_server_2025 | < 10.0.26100.33650 | 10.0.26100.33650 |