Security Flaw in Veeam Backup & Replication Affects Master Key and Credentials
CVE-2026-93026

6.1MEDIUM

Key Information:

Vendor

Veeam
Status
Backup And Replication
Vendor
CVE Published:
7 October 2026

What is CVE-2026-93026?

This security flaw in Veeam Backup & Replication enables a Backup Viewer to alter critical components such as the master key and stored antivirus update credentials. This exploitation poses significant risks to data integrity and system security, allowing unauthorized modifications that can compromise the overall security of the backup environment.

Affected Version(s)

Backup and Replication 12 < 12.3.2.4934

References

https://www.veeam.com/KB4934

CVSS V4

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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