CVE-2026-70289
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- Published Sep 8, 2026
- CVSS 7.8 high
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.