critical9.9
CVE-2026-21666
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Impact
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Veeam | Veeam Backup \& Replication | from 12.0.0.1402 before 12.3.2.4465 |