CVE-2025-40539

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - psirt@solarwinds.com

Published

2026-02-24

Last modified

2026-02-26

Weaknesses

CWE-704

Affected products

• Serv-u (Solarwinds)

References

• https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40539