high7.8
CVE-2026-97803
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 11 Version 26H1 | from 10.0.28000.0 before 10.0.28000.3231 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.3231 |