CVE-2026-21671

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments…

Critical · published March 12, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
71.3
In the wild
Unconfirmed
What it is

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01353 · 71.3th percentile
Published
2026-03-12T15:09Z
EPSS history
Timeline
  • 12 MAR 15:09Z
    A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments…
    cvelistv5