CVE-2026-69348

Heap-based buffer overflow in Windows Win32K 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

Affected software

CVE-2026-69348 at the National Vulnerability Database