CVE-2026-21666
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 10epss 1.1%
exploitation probability
1.1%top 37% of all CVEs
observed exploitation
nono source reports it
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Veeam · Backup and ReplicationReferences
https://www.veeam.com/kb4830