CVE-2025-40539 - CVE House
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Status published Critical CVE-2025-40539

SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Serv-U
Vulnerable Versions:
SolarWinds Serv-U 15.5.3 and prior versions

Timeline

Official Publish: February 24th, 2026
Last Modified: February 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-704

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.