CVE-2026-21668: High severity Veeam Veeam Backup \& Replication vulnerability

Published Mar 12, 2026
·
Updated

A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.

Affected Software

1 affected component
Veeam Veeam Backup \& Replication>=12.0.0.1402<12.3.2.4465

Event History

Mar 12, 2026
CVE Published
via MITRE·03:09 PM
Data Sourced
via MITRE·03:09 PM
DescriptionSeverity
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-21668?

The severity of CVE-2026-21668 is considered high due to its potential impact on file manipulation in the Backup Repository.

2

How does CVE-2026-21668 exploit the system?

CVE-2026-21668 allows authenticated domain users to bypass restrictions and manipulate arbitrary files on the Backup Repository.

3

Who is affected by CVE-2026-21668?

CVE-2026-21668 affects users of Veeam Backup & Replication versions from 12.0.0.1402 up to but not including 12.3.2.4465.

4

How do I fix CVE-2026-21668?

To fix CVE-2026-21668, ensure that you update Veeam Backup & Replication to the latest version that addresses this vulnerability.

5

What are the potential consequences of CVE-2026-21668?

The potential consequences of CVE-2026-21668 include unauthorized access to sensitive files and data manipulation within the Backup Repository.

Contact

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