CVE-2026-21666

critical

Veeam

CVSS v3 Base Score

10.0

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Published: March 12, 2026

Last Modified: March 13, 2026

Vendor: Veeam

Source: MITRE

Description

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

Veeam Backup and Replication