CVE-2026-69440

Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

  • Published Sep 8, 2026
  • CVSS 7.0 high
  • 0.2% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-69440 at the National Vulnerability Database