CVE-2026-97860 | BDVDB-2026-397605 Detail

YamahaYMS-VPN8

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.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-428 Unquoted search path or element

References#

Exploit#

No public exploit known

History#

Version 12026-10-29Record published in the CVE List.

Published

Published: 2026-10-29
Last modified: 2026-10-29

Vendor information

Vendor: Yamaha
Product: YMS-VPN8

All Yamaha vulnerabilities

Score

8.4 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= Ver.1.04.00
Fixed
Not stated

Scoring System

CVSS v4.0

8.4 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

6.7 Medium

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).