CVE-2025-64394

Description

A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation or denial of service.

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Weakness Type (CWE)

CWE-1386 CWE-1386

References

Other References

https://www.veeam.com/kb4957

Frequently Asked Questions

What is CVE-2025-64394? +

A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation or denial of service.

How do I check if I'm vulnerable to CVE-2025-64394? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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