CVE-2025-40548

CriticalCVSS 9.1/10Last modified Oct 7, 2026

Description

A missing validation process exists in Serv U when abused, could give a malicious actor with access to admin privileges the ability to execute code.

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 18, 2025
Last modified
Oct 7, 2026
NVD status
Analyzed

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CVE-2025-40548: Critical severity, CVSS 9.1 | Vulnix