CVE-2026-78464
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
Time-of-check time-of-use (TOCTOU) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could exploit the race condition to elevate privileges, potentially leading to full system control.
Recommendation
Install the latest security updates for Windows.
Other vulnerabilities in Windows MIDI Service
See all- CVE-2026-69339Medium
A vulnerability in the Windows MIDI Service Module allows exposure of sensitive system information to an unauthorized control sphere. An authorized attacker can disclose information locally.
- CVE-2026-56187High
A use-after-free vulnerability in the Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-56183High
Use After Free vulnerability in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS