CVE-2026-21709 | Veeam Backup and Replication/Software Appliance Windows Driver Signature Enforcement command injection (kb4830)

A vulnerability was found in Veeam Backup and Replication and Software Appliance and classified as critical. Affected is an unknown function of the component Windows Driver Signature Enforcement. Such manipulation leads to command injection.

This vulnerability is uniquely identified as CVE-2026-21709. Local access is required to approach this attack. No exploit exists.

It is suggested to upgrade the affected component.