critical9.3
CVE-2026-40402
Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
Impact
Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 23h2 | before 10.0.22631.7079 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5074 |