CVE-2025-40540
CRITICAL
2026-02-24
[email protected]
9.1
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 08:16 nvd
CRITICAL 9.1
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.
Analysis
Second type confusion vulnerability in SolarWinds Serv-U. Different attack vector from CVE-2025-40539 but same impact — arbitrary code execution.
Technical Context
CWE-704 type confusion, different code path from CVE-2025-40539.
Affected Products
['SolarWinds Serv-U']
Remediation
Apply SolarWinds security update addressing all Serv-U CVEs.
Priority Score
46
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +46
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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