OS Command Injection in Windows Sandbox - CVE-2026-119906

 

OS Command Injection in Windows Sandbox - CVE-2026-119906

Published: November 11, 2026


Vulnerability identifier: #VU165425
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-2026-119906
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to elevate privileges locally.

The vulnerability exists due to improper neutralization of special elements in Windows Sandbox when constructing operating system commands. A local user can supply specially crafted command elements to execute unintended operating system commands and elevate privileges locally.


Affected software

Windows Sandbox

How to mitigate CVE-2026-119906

Install security update from vendor's website.

Windows Sandbox - update to 0.8.111.0

External References

Related Security Bulletins