Unquoted File Path Vulnerability in YMS-VPN8 and YMS-VPN8-CP by Yamaha Corporation
CVE-2026-97860

8.4HIGH

Key Information:

Vendor

Yamaha Corporation

Status
Yms-vpn8
Yms-vpn8-cp
Vendor
CVE Published:
29 October 2026

What is CVE-2026-97860?

The YMS-VPN8 and YMS-VPN8-CP products from Yamaha Corporation exhibit a vulnerability related to the registration of Windows services using unquoted file paths. This flaw can allow users with write permissions on the system drive to potentially execute arbitrary code with elevated SYSTEM privileges, posing significant security risks. Proper configuration and management of file paths are crucial to mitigate this threat.

Affected Version(s)

YMS-VPN8 0

YMS-VPN8-CP 0

References

https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN3067548...
https://jvn.jp/en/jp/JVN30675482/

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.