Microsoft Security Response CenterCVE-2026-119906

Windows Sandbox Elevation of Privilege Vulnerability

High 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

Improper neutralization of special elements used in an os command ('os command injection') in Windows Sandbox allows an authorized attacker to elevate privileges locally.

Products covered

Windows Sandbox

Remediation

Release Notes

Vendor-listed fixes

0.8.111.0

CVEs in this advisory 1

CVE-2026-119906

Updates

Nov 10, 2026 at 8:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Nov 10, 2026 at 8:15 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Source

Details collected from Microsoft Security Response Center.

Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-119906
Last source check: Nov 10, 2026 at 8:15 PM UTC

Official bulletin How SecurityAlert builds this record

Your environment

Check the systems you actually run

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Confirm the product and installed version.
Read the vendor's prerequisites and exceptions.
Test the update or mitigation through your normal change process.

Watch Windows Sandbox

Keep following

Get new Microsoft Security Response Center advisories

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed

Summary

Products covered

Remediation

Vendor-listed fixes

CVEs in this advisory 1

Updates

Related advisories from Microsoft Security Response Center

Windows BitLocker Security Feature Bypass Vulnerability

Windows Shell Elevation of Privilege Vulnerability

Windows DNS Information Disclosure Vulnerability

Microsoft Windows VMSwitch Elevation of Privilege Vulnerability

Windows USM Communication Manager Elevation of Privilege Vulnerability

Winsock Elevation of Privilege Vulnerability