CVE-2004-1805: Epic Games Unreal Engine

Medium severity, CVSS 5.0. EPSS: 6.4% chance of exploitation in the next 30 days.

Format string vulnerability in games using the Epic Games Unreal Engine 436 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in class names.

Affected products

• Epic Games Unreal Engine: version 226f only; version 433 only; version 436 only

Published 2004-12-31. Last modified 2026-06-16.