high7.8
CVE-2026-35420
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Impact
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.9140 |
| Microsoft | Windows Server 2019 | before 10.0.17763.8755 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5074 |
| Microsoft | Windows Server 2022 23h2 | before 10.0.25398.2330 |
| Microsoft | Windows Server 2025 | before 10.0.26100.32772 |