CVE-2026-21666
CRITICAL
10.0
CVSS 3.1
Description
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Metadata
Severity & Metrics
10.0
CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Veeam | Backup and Replication | — | 12.3.2 < 12.3.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-284 | adp | CWE-284 Improper Access Control |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 10.0 | CRITICAL | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
References (1)