{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-103665",
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "state": "PUBLISHED",
        "assignerShortName": "jpcert",
        "dateReserved": "2026-10-13T04:12:30.195Z",
        "datePublished": "2026-10-29T11:33:30.885Z",
        "dateUpdated": "2026-10-29T11:33:30.885Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "vendor": "Yamaha Corporation",
                    "product": "Yamaha LAN Monitor for Windows",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "Ver.1.9.3"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Uncontrolled Search Path Element",
                            "lang": "en-US",
                            "cweId": "CWE-427",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN23695234.html"
                },
                {
                    "url": "https://jvn.jp/en/jp/JVN23695234/"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en-US",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_0": {
                        "version": "3.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.8,
                        "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                    }
                },
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en-US",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.4,
                        "vectorString": "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"
                    }
                }
            ],
            "providerMetadata": {
                "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
                "shortName": "jpcert",
                "dateUpdated": "2026-10-29T11:33:30.885Z"
            }
        }
    }
}