CVE-2007-0321: Macrovision Flexnet Connect

High severity, CVSS 9.3. EPSS: 6.8% chance of exploitation in the next 30 days.

Buffer overflow in the Update Service Agent ActiveX Control in isusweb.dll for Macrovision FLEXnet Connect (formerly InstallShield Update Service) allows remote attackers to execute arbitrary code via the Download method.

Affected products

• Macrovision Flexnet Connect: any version

Published 2007-02-23. Last modified 2026-06-16.