CVE-2026-71349

Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.

  • Published Sep 8, 2026
  • CVSS 6.8 medium
  • 0.4% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-71349 at the National Vulnerability Database