high7.8
CVE-2026-20810
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Impact
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1809 | before 10.0.17763.8276 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.6809 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.6809 |
| Microsoft | Windows Server 2019 | before 10.0.17763.8276 |