Unrated severityNVD Advisory· Published Feb 24, 2026· Updated Feb 26, 2026
SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
CVE-2025-40539
Description
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.
Affected products
2- SolarWinds/Serv-Uv5Range: SolarWinds Serv-U 15.5.3 and prior versions
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2News mentions
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