CVE-2026-21667

9.9 CRITICAL

Published: March 12, 2026 Modified: March 12, 2026

Description

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

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

https://www.veeam.com/kb4830

Source: support@hackerone.com

1 reference(s) from NVD

CVSS v3 Score

9.9 / 10.0

EPSS (Exploit Probability)

0.3%

53th percentile

Exploitation Status

Not in CISA KEV

CWE-284