---
id: CVE-2026-97860
title: >-
  YMS-VPN8 and YMS-VPN8-CP provided by Yamaha Corporation register Windows
  services with unquoted file paths
summary: >-
  YMS-VPN8 and YMS-VPN8-CP provided by Yamaha Corporation register Windows
  services with unquoted file paths. A user who has write permissions on the
  system drive may be able to execute arbitrary code with SYSTEM privileges.
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'
cvssSource: cna
cwe:
  - CWE-428
vendor: Yamaha Corporation
product: YMS-VPN8
affected:
  - YMS-VPN8 <= Ver.1.04.00
  - YMS-VPN8-CP <= Ver.1.04.00
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-29T14:11:53.739786Z'
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T14:12:18.004Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-97860'
references:
  - url: 'https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN30675482.html'
  - url: 'https://jvn.jp/en/jp/JVN30675482/'
tags:
  - cve.org
epss: 0.00192
epssPercentile: 0.08885
ingestedAt: '2026-11-01T20:00:16.936Z'
---

## Overview

YMS-VPN8 and YMS-VPN8-CP provided by Yamaha Corporation register Windows services with unquoted file paths. A user who has write permissions on the system drive may be able to execute arbitrary code with SYSTEM privileges.

## Affected

- `YMS-VPN8 <= Ver.1.04.00`
- `YMS-VPN8-CP <= Ver.1.04.00`

## Remediation

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