CVE-2026-103665

high

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.

References

https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN23695234.html

https://jvn.jp/en/jp/JVN23695234/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112752

Details

Source: Mitre, NVD

Published: 2026-10-29

Updated: 2026-10-29

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

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

Severity: High

CVSS v4

Base 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

Severity: High

EPSS

EPSS: 0.00194