CVE-2026-30478 Privilege escalation in n/a

High 8.8 Published Updated

Attackers can escalate privileges on MapServer for Windows by exploiting a DLL injection vulnerability via a crafted executable.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-30478?

CVE-2026-30478 is a high-severity vulnerability in n/a, published on 9 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-427

Which versions are affected by CVE-2026-30478?

How do I fix CVE-2026-30478?

No fix has been published for CVE-2026-30478 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-30478 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30478 exists.

Sources

Also known as GHSA-9vwp-gfwx-69j2.

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