Remote Code Execution in Backup Server via Authenticated Domain User
CVE-2026-21667 Published on March 12, 2026
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-21667 has been classified to as an Authorization vulnerability or weakness.
Affected Versions
Veeam Backup and Replication:- Version 12.3.2 and below 12.3.2 is unaffected.
Exploit Probability
EPSS
0.30%
Percentile
53.41%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.