---
id: CVE-2026-13133
title: >-
  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
  directo…
summary: >-
  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
  directo…
severity: none
published: '2026-08-10'
updated: '2026-08-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13133'
references:
  - url: 'https://line.github.io/security-advisory-blog/CVE-2026-13133/'
    label: dl_cve@linecorp.com
tags:
  - nvd
ingestedAt: '2026-08-10T07:39:17.043Z'
epss: 0.00168
epssPercentile: 0.05406
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.