Improper access control in Microsoft Windows - CVE-2026-50342
Published: July 15, 2026
Vulnerability identifier: #VU137761
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50342
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Windows MIDI Service Module. A local user can bypass implemented security restrictions and gain elevated privileges on the system.
Affected software
Microsoft Windows
How to mitigate CVE-2026-50342
Install updates from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.8875, 11 26H1 10.0.28000.2269, 11 26H1 10.0.28000.2525