CVE-2026-13133
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.
CSIRTS triage
- What
- The installer insecurely loads Dynamic Link Libraries, allowing DLL injection attacks.
- Who is affected
- Users running the LINE for Windows installer on Windows systems.
- Urgency
- Moderate urgency; no active exploitation reported but DLL loading vulnerabilities are commonly exploited in the wild.
- Action
- Update to a patched version of the LINE for Windows installer once available from LY Corporation.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownCVE-2026-13133: A vulnerability has been identified in LineInst.exe (LINE for Windows) prior to version 26.4.0…nvd · 2026-08-10
- unknownInstaller for LINE for Windows insecurely loads Dynamic Link Librariesjvn · 2026-08-10
External references
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