{"id":"CVE-2026-106077","title":"A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges.","summary":"A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges.","severity":"high","cvss":8.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"Veeam","product":"Backup for Microsoft 365","affected":["backup_for_microsoft_365 >= 8.0 <= 8.5.0.1014"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T16:16:58.905Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-106077","references":[{"url":"https://www.veeam.com/kb4957"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:32:34.390Z","slug":"CVE-2026-106077","body":"## Overview\n\nA vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges.\n\n## Affected\n\n- `backup_for_microsoft_365 >= 8.0 <= 8.5.0.1014`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":45.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}