CVE-2026-69440: Windows MIDI Service Module Elevation of Privileges Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Other sources
Windows MIDI Service Module Elevation of Privileges Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected Windows 11 system and able to execute an attack locally. The provided data does not indicate that remote exploitation is possible.
What level of impact could successful exploitation have?
Successful exploitation can allow local elevation of privileges. The supplied vector indicates high potential impact to confidentiality, integrity, and availability.
What is known about exploit reliability?
The attack requires high complexity, consistent with exploiting a time-of-check time-of-use race condition. No exploit maturity information beyond an unknown exploit-code status is provided.