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.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 29 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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

Type Values Removed Values Added
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.
Weaknesses CWE-427
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

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


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-10-29T14:10:50.402Z

Reserved: 2026-10-13T04:12:30.195Z

Link: CVE-2026-103665

cve-icon Vulnrichment

Updated: 2026-10-29T14:10:43.786Z

cve-icon NVD

Status : Deferred

Published: 2026-10-29T12:17:08.980

Modified: 2026-10-29T15:45:15.310

Link: CVE-2026-103665

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T12:45:09Z

Weaknesses