CVE-2026-30478

| EUVD-2026-20960 HIGH
2026-04-09 mitre GHSA-9vwp-gfwx-69j2
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Apr 09, 2026 - 17:45 vuln.today
EUVD ID Assigned
Apr 09, 2026 - 17:45 euvd
EUVD-2026-20960
CVE Published
Apr 09, 2026 - 00:00 nvd
HIGH 8.8

Tags

Privilege Escalation Microsoft N A

Description

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

Analysis

DLL injection in GatewayGeo MapServer for Windows version 5 enables authenticated local attackers to escalate privileges to SYSTEM level through crafted executable placement. The vulnerability exploits insecure library loading paths, allowing low-privileged users to inject malicious DLLs that execute with elevated permissions. …

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Remediation

Within 24 hours: Identify all Windows systems running GatewayGeo MapServer version 5 and restrict local user access to affected servers; document current deployment inventory. Within 7 days: Implement application-level access controls limiting non-administrative user logons to MapServer hosts; isolate affected systems from sensitive networks if possible. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: 0

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CVE-2026-30478 vulnerability details – vuln.today
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