CVE-2025-64393
Received Received - Intake

Privilege Escalation in Veeam Backup & Replication

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: HackerOne

Description
This vulnerability in Veeam Backup & Replication allows a Backup Viewer to execute arbitrary code as SYSTEM on the backup server.

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Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
CVE-2025-64393
EUVD
EUVD-2025-211039

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Veeam Backup and Replication 12

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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Executive Summary

This vulnerability in Veeam Backup & Replication allows a user with Backup Viewer privileges to execute arbitrary code as SYSTEM on the backup server. This means an attacker with limited access could escalate privileges to gain full control over the system.

Impact Analysis

An attacker could exploit this to take over the backup server, steal sensitive data, disrupt backup operations, or use the compromised server as a foothold to move laterally within the network.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access control. Organizations may face compliance penalties and reputational damage.

Mitigation Strategies

Apply the latest security patches from Veeam immediately. Restrict Backup Viewer roles to least privilege. Monitor backup server logs for unusual activity. Isolate backup servers from untrusted networks.

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