Backup for Microsoft 365 — security advisory

{
  "id": "59043cc98996cc33d7a1c7f6f52f0f5ac882be1182e7783cc75a1ff9f16c8663",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-106076",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-106076",
    "summary": "A vulnerability allowing an authenticated organization-transfer peer to inject SQL into the configuration database of the source Veeam Backup for Microsoft 365 server, leading to cross-tenant read and write of configuration data and remote code execution as the PostgreSQL service account.",
    "evidence": "cve:CVE-2026-106076",
    "products": [
      {
        "name": {
          "value": "Backup for Microsoft 365",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-106076",
      "aliases": [
        "CVE-2026-106076"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
          }
        }
      ],
      "affected": [
        {
          "vendor": "Veeam",
          "product": "Backup for Microsoft 365",
          "versions": [
            {
              "status": "affected",
              "version": "8.0",
              "versionType": "semver",
              "lessThanOrEqual": "8.5.0.1014"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T16:16:58.882Z",
      "provider": "cve",
      "references": [
        "https://www.veeam.com/kb4957"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
          "shortName": "hackerone",
          "dateUpdated": "2026-10-27T16:16:58.882Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-106076",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 394445,
  "published_at": "2026-10-27T16:16:58.882+00:00"
}