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CVE-2025-40540

SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability

Published: Feb 24, 2026Updated: Feb 24, 2026 Sources: CVE List NVDCWE-704
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.4%
Top 64.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-704

Affected Products

Serv-USolarWinds
On-premWeb App
Enterprise Software / itsm-monitoring
serv-usolarwinds
On-premWeb App
Enterprise Software / itsm-monitoring
solarwindscommercialUSEnterprise Softwareaka solar winds

Exploitability

Official Patch Available

References

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40540
solarwinds.com
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4_release_notes.htm
documentation.solarwinds.com

Timeline

Published
Feb 24, 2026
Last Updated
Feb 24, 2026

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