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CVE-2026-97860

YMS-VPN8 and YMS-VPN8-CP provided by Yamaha Corporation register Windows services with unquoted file paths.

Products / packages Yamaha Corporation YMS-VPN8 · Yamaha Corporation YMS-VPN8-CP

Published

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 21:25:33 UTC
jpcert · CVSS:3.0 · 6.7
Assessment vectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
jpcert · CVSS:4.0 · 8.4
Assessment vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
The headline uses the highest imported catalog score. Assessments can differ by source and CVSS version.

Severity

high8.4

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

YMS-VPN8 and YMS-VPN8-CP by Yamaha Corporation, versions up to Ver.1.04.00, register Windows services with unquoted file paths, potentially allowing a user with system drive write permissions to execute arbitrary code with SYSTEM privileges. The vulnerability is due to an unquoted search path or element. A user with write permissions on the system drive may be able to exploit this weakness.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Yamaha Corporation · jpcert

YMS-VPN8

1 range
jpcert version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through Ver.1.04.00

semver versions

unaffected

unknown

Other versions: unaffected

Yamaha Corporation · jpcert

YMS-VPN8-CP

1 range
jpcert version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through Ver.1.04.00

semver versions

unaffected

unknown

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher 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.

References

2 sources
www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN30675482.html
Security advisoryjpcert
jvn.jp/en/jp/JVN30675482/
Source referencejpcert

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-97860

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-428 ↗

Unquoted search path or element

jpcert

Related →
Contributing organizations · 2
jpcert

Assigning organization

2026-10-29
CISA-ADP

Additional data publisher

2026-10-29

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.