Exposure of Sensitive System Information to an Unauthorized Control Sphere in Microsoft Windows - CVE-2026-69339
Published: September 8, 2026
Vulnerability identifier: #VU147606
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69339
CWE-ID: CWE-497
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module when accessing the service locally. A local user can access the service to disclose sensitive information.
Successful exploitation allows viewing heap memory from a privileged process running on the server.
Affected software
Microsoft Windows
How to mitigate CVE-2026-69339
Install security update from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.9445, 11 25H2 10.0.26200.9445, 11 26H1 10.0.28000.2954