---
id: CVE-2025-66271
title: 'Clone for Windows provided by ELECOM CO.,LTD'
summary: >-
  Clone for Windows provided by ELECOM CO.,LTD. registers a Windows service with
  an unquoted file path. A user with the write permission on the root directory
  of the system drive may execute arbitrary code with SYSTEM privilege.
severity: medium
cvss: 6.7
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-428
published: '2025-12-09'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T16:10:00.257'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66271'
references:
  - url: 'https://jvn.jp/en/jp/JVN33172708/'
    label: vultures@jpcert.or.jp
  - url: 'https://www.elecom.co.jp/news/security/20251209-01/'
    label: vultures@jpcert.or.jp
tags:
  - nvd
epss: 0.00155
epssPercentile: 0.03955
ingestedAt: '2026-10-01T18:55:42.303Z'
---

## Overview

Clone for Windows provided by ELECOM CO.,LTD. registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.

## Remediation

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