CVE-2026-13133

DLL Hijacking via Unsecure Msftedit.dll Loading in LINE for Windows

Published Aug 10, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
A vulnerability has been identified in LineInst.exe (LINE for Windows) prior to version 26.4.0, where Msftedit.dll is loaded via a relative path without a secure DLL search path, allowing a malicious DLL placed in the installer's directory to be loaded ahead of the legitimate System32 copy.

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
First Time appeared Ly Corporation
Ly Corporation line For Windows
Vendors & Products Ly Corporation
Ly Corporation line For Windows
Type Values Removed Values Added
Title DLL Hijacking via Unsecure Msftedit.dll Loading in LINE for Windows
Type Values Removed Values Added
Title DLL Hijacking via Unsecured DLL Loading in LINE for Windows
Weaknesses CWE-114
Type Values Removed Values Added
Weaknesses CWE-427
Metrics ssvc

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

Type Values Removed Values Added
Title DLL Hijacking via Unsecured DLL Loading in LINE for Windows
Weaknesses CWE-114
Type Values Removed Values Added
Description A vulnerability has been identified in LineInst.exe (LINE for Windows) prior to version 26.4.0, where Msftedit.dll is loaded via a relative path without a secure DLL search path, allowing a malicious DLL placed in the installer's directory to be loaded ahead of the legitimate System32 copy.
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
LY-Corporation
Published
Updated
Aug 10, 2026, 6:02 PM
Reserved
Jun 24, 2026, 6:46 AM
Status
Deferred
Published
Aug 10, 2026, 7:16 AM
Modified
Oct 23, 2026, 8:10 PM