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.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Yamaha Corporation YMS-VPN8 unaffected
Version Status Constraints
0 affected ≤ Ver.1.04.00
Yamaha Corporation YMS-VPN8-CP unaffected
Version Status Constraints
0 affected ≤ Ver.1.04.00

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN30675482/ cve-icon cve-icon
https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN30675482.html cve-icon cve-icon
History

Thu, 29 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-428
References
Metrics cvssV3_0

{'score': 6.7, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-10-29T11:33:10.955Z

Reserved: 2026-10-13T04:12:29.398Z

Link: CVE-2026-97860

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-29T12:17:14.577

Modified: 2026-10-29T12:17:14.577

Link: CVE-2026-97860

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses