CVE-2008-4255: Microsoft Office Frontpage

High severity, CVSS 9.3. EPSS: 53.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control) in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2, and Office Project 2003 SP3 and 2007 Gold and SP1 allows remote attackers to execute arbitrary code via an AVI file with a crafted stream length, which triggers an "allocation error" and memory corruption, aka "Windows Common AVI Parsing Overflow 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.