CVE-2025-40539

SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability

State
Published
Severity
9.1 Critical
Published
Feb 24, 2026
Updated
Feb 26, 2026
Reserved
Apr 16, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HSolarWinds

Weaknesses

  • CWE-704 Incorrect Type Conversion or Cast

Affected Products

ProductVersions
Serv-USolarWinds
  • SolarWinds Serv-U 15.5.3 and prior versionsAffected

References

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