Windows
CVE-2025-40540
CRITICAL
Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Second type confusion vulnerability in SolarWinds Serv-U. Different attack vector from CVE-2025-40539 but same impact — arbitrary code execution.
Technical ContextAI
CWE-704 type confusion, different code path from CVE-2025-40539.
RemediationAI
Apply SolarWinds security update addressing all Serv-U CVEs.
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External POC / Exploit Code
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