high7.5
CVE-2025-26687
Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network.
Impact
Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | 365 Copilot | before 16.0.18730.20000 |
| Microsoft | Office | before 16.0.14326.22331 |
| Microsoft | Windows 10 1507 | before 10.0.10240.20978 |
| Microsoft | Windows 10 1607 | before 10.0.14393.7969 |
| Microsoft | Windows 10 1809 | before 10.0.17763.7136 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.5737 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.5737 |
| Microsoft | Windows 11 22h2 | before 10.0.22621.5189 |
| Microsoft | Windows 11 23h2 | before 10.0.22631.5189 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.3775 |
| Microsoft | Windows Server 2008 | All versions Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |