CVE-2008-4254: Microsoft Office Frontpage

High severity, CVSS 8.5. EPSS: 22.1% chance of exploitation in the next 30 days.

Multiple integer overflows in the Hierarchical FlexGrid ActiveX control (mshflxgd.ocx) in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 allow remote attackers to execute arbitrary code via crafted (1) Rows and (2) Cols properties to the (a) ExpandAll and (b) CollapseAll methods, related to access of incorrectly initialized objects and corruption of the "system state," aka "Hierarchical FlexGrid Control Memory Corruption Vulnerability."

Affected products

• Microsoft Office Frontpage: version 2002 only
• Microsoft Project: version 2003 only; version 2007 only
• Microsoft Visual Basic: version 6.0 only
• Microsoft Visual Foxpro: version 8.0 only; version 9.0 only
• Microsoft Visual Studio .net: version 2002 only; version 2003 only

Published 2008-12-10. Last modified 2026-06-16.