Veeam Security Update – 09 June 2026

Veeam has released a security update to fix a vulnerability in Veeam Backup & Replication 12.3.2.4465 and all earlier versions 12 builds.

The addressed vulnerability could allow the authenticated domain user to execute arbitrary code on the Backup Server.

The addressed vulnerability:

Veeam Backup & Replication Remote Code Execution Vulnerability (CVE-2026- 44963):

  • CVSS 4.0: 9.4
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: Remote Code Execution
Vulnerabilities

CVE-2026-44963

Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Veeam Security Update

References