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Critical severity9.9NVD Advisory· Published Mar 12, 2026· Updated Jun 17, 2026

CVE-2026-21667

CVE-2026-21667

Description

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Veeam/Veeam Backup \& Replication2 versions
cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*range: >=12.0.0.1402,<12.3.2.4465
- (no CPE)range: 12.3.2
Veeam/Backup Serverllm-fuzzy

Patches

Vulnerability mechanics

References

1

www.veeam.com/kb4830nvdVendor Advisory

News mentions

0

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