CVE-2026-21667 | Veeam Backup and Replication up to 12.3.1 privilege escalation (kb4830)

March 12, 2026 Yanac

A vulnerability marked as critical has been reported in Veeam Backup and Replication up to 12.3.1. Affected by this vulnerability is an unknown functionality. The manipulation leads to privilege escalation.

This vulnerability is traded as CVE-2026-21667. It is possible to initiate the attack remotely. There is no exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More