CVE-2026-21671

critical Veeam
CVSS v3 Base Score
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 44% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: March 12, 2026 (62 days ago)
Last Modified: May 10, 2026
Vendor: Veeam
Source: NVD

Description

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

CWE

CWE-94

Affected Products

veeam veeam backup \& replication

References

🔗 www.veeam.com