CVE-2026-21666
CVSS Score
10.0
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
| Vendor | veeam |
| Product | backup and replication |
| Published | Mar 12, 2026 |
| Last Updated | Mar 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Veeam / Backup and Replication
12.3.2 < 12.3.2