Remote Code Execution Vulnerability in Veeam Software
CVE-2026-64633

10CRITICAL

Key Information:

Vendor

Veeam
Status
One
Vendor
CVE Published:
4 August 2026

What is CVE-2026-64633?

A vulnerability exists in Veeam Backup & Replication that allows remote unauthenticated attackers to execute arbitrary code on the agent host. This security flaw poses a significant risk, enabling malicious entities to gain control over the affected system without requiring any authentication. Organizations using vulnerable versions of Veeam Backup & Replication should take immediate steps to apply available patches and mitigate potential threats.

Affected Version(s)

ONE 0 <= 13.0.2

References

https://www.veeam.com/kb4892

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.