CVE-2003-0111: Microsoft Virtual Machine

High severity, CVSS 7.5. EPSS: 36.7% chance of exploitation in the next 30 days.

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute arbitrary code via a malicious Java applet, aka "Flaw in Microsoft VM Could Enable System Compromise."

Affected products

• Microsoft Virtual Machine: version 3802 only; version 3805 only; version 3809 only
• Microsoft Windows 2000: any version
• Microsoft Windows 2000 Terminal Services: any version

Published 2003-05-05. Last modified 2026-06-16.