CVE-2025-64391
Received Received - Intake

Vulnerability in Veeam Agent for Microsoft Windows Leading to Arbitrary File Write

Vulnerability report for CVE-2025-64391, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: HackerOne

Description

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it.

CVSS Scores

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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
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Veeam Agent for Windows 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-1386 The product opens a file or directory, but it does not properly prevent the name from being associated with a junction or mount point to a destination that is outside of the intended control sphere.

Attack-Flow Graph

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Executive Summary

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it.

Impact Analysis

A low-privileged attacker could exploit this to write malicious files to sensitive system locations, potentially leading to privilege escalation or system compromise.

Mitigation Strategies

Update Veeam Agent for Microsoft Windows to the latest version to address the vulnerability. Ensure administrators install the agent with proper permissions to prevent unauthorized file writes.

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EPSS Chart