CVE-2026-44963

Remote Code Execution via Authenticated Domain User in Veeam Backup Server

Published Jun 9, 2026 CVSS 4.0 · 9.4 Critical EPSS 2.4% KEV · Not listed
Description
A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Remote Code Execution via Authenticated Domain User in Veeam Backup Server
Type Values Removed Values Added
Title Authenticated Domain User Remote Code Execution in Veeam Backup Server
Type Values Removed Values Added
Title Authenticated Domain User Remote Code Execution in Veeam Backup Server
Type Values Removed Values Added
Title Remote Code Execution via Authenticated Domain User in Veeam Backup Server
Type Values Removed Values Added
Title Remote Code Execution via Authenticated Domain User in Veeam Backup Server
Type Values Removed Values Added
Title Domain User Remote Code Execution in Veeam Backup Server
Type Values Removed Values Added
Title Domain User Remote Code Execution in Veeam Backup Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Veeam
Veeam backup And Replication
Vendors & Products Veeam
Veeam backup And Replication
Type Values Removed Values Added
Description A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Jun 10, 2026, 10:04 AM
Reserved
May 8, 2026, 3:00 PM
Status
Awaiting Analysis
Published
Jun 9, 2026, 11:16 PM
Modified
Jul 23, 2026, 9:10 AM