CVE-2009-0562: Microsoft Isa Server

High severity, CVSS 9.3. EPSS: 25.7% chance of exploitation in the next 30 days.

The Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 does not properly allocate memory, which allows remote attackers to execute arbitrary code via unspecified vectors that trigger "system state" corruption, aka "Office Web Components Memory Allocation Vulnerability."

Affected products

• Microsoft Isa Server: version 2004 only; version 2006 only
• Microsoft Office: affected versions not specified; version 2003 only; version xp only
• Microsoft Office Web Components: version 2000 only; version 2003 only; version xp only

Published 2009-08-12. Last modified 2026-06-16.