CVE-2025-64391 PUBLISHED

Assigner: hackerone
Reserved: 31.10.2025 Published: 07.10.2026 Updated: 07.10.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 4.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Veeam
Product	Agent for Windows
Versions	Default: unaffected affected from 0 to 13.1 (excl.)

References

https://www.veeam.com/kb4902

Problem Types

CWE-1386 Insecure Operation on Windows Junction / Mount Point CWE