high7.0
CVE-2026-45653
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 10 1607 | before 10.0.14393.9234 |
| Microsoft | Windows 10 1809 | before 10.0.17763.8880 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.7417 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.7417 |
| Microsoft | Windows 11 23h2 | before 10.0.22631.7219 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.8655 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.8655 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.2269 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.9234 |
| Microsoft | Windows Server 2019 | before 10.0.17763.8880 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5256 |