Vulnerability in Microsoft Windows 11 Version 24h2

CVE-2026-69339

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

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69339?
CVE-2026-69339 is a medium-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.5/10. Published 2026-09-08.
How severe is CVE-2026-69339?
Medium severity. CVSS v3 base score is 5.5 out of 10.