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CVE-2026-103665 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

The installer for Yamaha LAN Monitor for Windows provided by Yamaha Corporation may insecurely load Dynamic Link Libraries (DLLs). When the installer is launched in a directory containing a specially crafted DLL file, the malicious DLL may be loaded, resulting in arbitrary code execution with administrative privileges.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://jvn.jp/en/jp/JVN23695234/	[email protected]	AdvisoryRemedy
https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN23695234.html	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-427	Uncontrolled Search Path Element	[email protected]

Affected Products

Product	Versions
Yamaha LAN Monitor	<= 1.9.3 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 1.10.1moderate effort Workaround:low effort Use only installers obtained from the official Yamaha website, and do not execute installers obtained from unknown or untrusted sources. Do not use installers included in ZIP files provided by third parties.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 29, 2026	CVE Modified	CISA-ADP
Oct 29, 2026	New CVE Received	[email protected]