{"id":"CVE-2025-64394","revision":"0352aada957d44dc98004280562d30d2","records":[{"revision":"0352aada957d44dc98004280562d30d2","observedAt":"2026-10-27T17:43:43.295+00:00","statement":{"source":"cve-program","id":"CVE-2025-64394","aliases":[],"title":"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.","description":"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.","state":0,"publishedAt":"2026-10-27T16:16:58.979+00:00","modifiedAt":"2026-10-27T16:16:58.979+00:00","affected":[{"ecosystem":"Vendor product","name":"Backup for Microsoft 365","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"vendor\": \"Veeam\",\n                    \"product\": \"Backup for Microsoft 365\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.6.0.1102\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":4.3,"severity":"MEDIUM"}],"references":["https://www.veeam.com/kb4957"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-64394","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-64394","identifiers":["CVE-2025-64394"]},"retained":false,"historicalAffected":[]}],"coverage":[]}