CVE-2026-102204

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally. Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Title Microsoft Microsoft Defender for Endpoint Elevation of Privilege Vulnerability Windows Subsystem for Linux Elevation of Privilege Vulnerability
First Time appeared Microsoft windows Subsystem For Linux
CPEs cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows Subsystem For Linux
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 link resolution before file access ('link following') in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
Title Microsoft Microsoft Defender for Endpoint Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft defender For Endpoint
Weaknesses CWE-59
CPEs cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft defender For Endpoint
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 10, 2026, 8:46 PM
Reserved
Sep 28, 2026, 6:20 PM
Status
Undergoing Analysis
Published
Oct 13, 2026, 7:17 PM
Modified
Oct 20, 2026, 7:17 PM