Veeam released patches in March 2026 for seven critical vulnerabilities in Backup & Replication software, all carrying a CVSS base score of 9.8, that allow unauthenticated remote code execution against backup servers. Organizations running Veeam Backup & Replication below version 12.3.2.4465 are exposed. Ransomware operators routinely target backup infrastructure to eliminate recovery options before detonating payloads, making unpatched backup servers a direct threat to business continuity. Verify specific CVE identifiers and affected version ranges in Veeam KB4830 before deployment.