CVE-2026-21708

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

EPSS Score

0.5%

Exploitation probability in 30 days

Top 33% most likely to be exploited

Attack Characteristics

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Confidentiality

High

Integrity

High

Availability

High

Published: March 12, 2026 (62 days ago)

Last Modified: March 13, 2026

Vendor: Veeam

Source: MITRE

Description

A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

Veeam Backup and Recovery