CVE-2026-13133: Ly Corporation Line For Windows

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Ly Corporation Line For Windows: before 26.4.0 (fixed in 26.4.0)

Published 2026-08-10. Last modified 2026-08-28.