CVE-2026-30478

HIGH

GatewayGeo MapServer for Windows 5 - Privilege Escalation via DLL Injection

Title source: manual

Description

A Dynamic-link Library Injection vulnerability in GatewayGeo MapServer for Windows version 5 allows attackers to escalate privileges via a crafted executable.

References (2)

Core 2

Core References

https://ms4w.com

https://github.com/penjaminTester/Research/tree/main/CVE-2026-30478

View Writeup ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0017

EPSS Percentile 6.9%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-427

Status published

Published Apr 09, 2026

Tracked Since Apr 09, 2026