CVE-2026-69339

Windows MIDI Service Module Information Disclosure Vulnerability

State: Published
Severity: 5.5 Medium
Published: Sep 8, 2026
Updated: Oct 31, 2026
Reserved: Aug 3, 2026

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

Affected Products

Product	Versions
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.9445Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.9445Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.2954Affected

References

Windows MIDI Service Module Information Disclosure Vulnerabilityvendor-advisorypatch

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