{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-64394",
        "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "state": "PUBLISHED",
        "assignerShortName": "hackerone",
        "dateReserved": "2025-10-31T15:00:01.447Z",
        "datePublished": "2026-10-27T16:16:58.979Z",
        "dateUpdated": "2026-10-27T16:16:58.979Z"
    },
    "containers": {
        "cna": {
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation or denial of service."
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "vendor": "Veeam",
                    "product": "Backup for Microsoft 365",
                    "versions": [
                        {
                            "version": "8.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.6.0.1102",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.veeam.com/kb4957"
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
                        "baseScore": 4.3,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "cweId": "CWE-1386",
                            "description": "CWE-1386 Insecure Operation on Windows Junction / Mount Point"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
                "shortName": "hackerone",
                "dateUpdated": "2026-10-27T16:16:58.979Z"
            }
        }
    }
}