CVE-2026-119906

Windows Sandbox Elevation of Privilege Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Improper neutralization of special elements used in an os command ('os command injection') in Windows Sandbox allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper neutralization of special elements used in an os command ('os command injection') in Windows Sandbox allows an authorized attacker to elevate privileges locally.
Title Windows Sandbox Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows Sandbox
Weaknesses CWE-78
CPEs cpe:2.3:a:microsoft:windows_sandbox:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows Sandbox
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 13, 2026, 6:12 PM
Reserved
Oct 30, 2026, 4:58 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:20 PM
Modified
Nov 10, 2026, 7:20 PM