CVE-2026-83751
HighCVSS 7.0Summary
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally. The flaw may be exploited to gain higher privileges on the system.
Risk Assessment
An attacker with valid credentials can locally elevate privileges, potentially resulting in full system control. Windows systems using the MIDI service are at risk.
Recommendation
Apply Microsoft security updates for Windows MIDI Service Module as soon as possible. It is also recommended to monitor unusual local user account activity.
Other vulnerabilities in Windows MIDI Service Module
See all- CVE-2026-88079High
Null pointer dereference vulnerability in the Windows MIDI Service Module. An authorized attacker can elevate privileges locally.
- CVE-2026-83828High
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-69720High
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-69508High
Stack-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-69440High
Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-68842Medium
A vulnerability in the Windows MIDI Service Module involves exposure of sensitive system information to an unauthorized control sphere. An authorized attacker could exploit this to disclose information locally.
- CVE-2026-62693High
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-62688High
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
- CVE-2026-50342High
Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

