NULL pointer dereference in Microsoft Windows - CVE-2026-119901
Published: November 11, 2026
Vulnerability identifier: #VU165328
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-119901
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to escalate privileges.
The vulnerability exists due to a null pointer dereference in Windows MIDI Service Module when performing local operations. A local privileged user can trigger the null pointer dereference locally to escalate privileges.
Affected software
Microsoft Windows
How to mitigate CVE-2026-119901
Install security update from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501