CVE-2026-62693

Windows MIDI Service Module Elevation of Privileges Vulnerability

State: Published
Severity: 7.0 High
Published: Aug 11, 2026
Updated: Oct 30, 2026
Reserved: Jul 14, 2026

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416 Use After Free

Affected Products

Product	Versions
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.9168Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.9168Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.2704Affected

References

Windows MIDI Service Module Elevation of Privileges Vulnerabilityvendor-advisorypatch

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