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.

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Advisories

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Fixes

Solution

SolarWinds recommends that customers upgrade to SolarWinds Serv-U 15.5.4 as soon as it becomes available.


Workaround

No workaround given by the vendor.

History

Tue, 24 Feb 2026 07:45:00 +0000

Type Values Removed Values Added
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.
Title SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
Weaknesses CWE-704
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SolarWinds

Published:

Updated: 2026-02-24T07:40:46.244Z

Reserved: 2025-04-16T08:00:57.647Z

Link: CVE-2025-40539

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-24T08:16:27.863

Modified: 2026-02-24T08:16:27.863

Link: CVE-2025-40539

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses