CVE-2003-0347: Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0...

Security readout for executives and security teams

This old vulnerability affects Microsoft VBA SDK components used to process document properties. A specially crafted document with an overly long ID parameter could corrupt memory and allow code execution. Business risk is mainly in legacy systems that still include affected VBE.DLL or VBE6.DLL components. Exposure is most likely in legacy Windows environments or applications embedding affected Microsoft VBA SDK 5.0 through 6.3 components. The bundle does not identify specific affected products beyond VBE.DLL and VBE6.DLL, so asset validation is required before assuming exposure. Prioritize if the organization still runs legacy Microsoft VBA-dependent applications or old document-processing workflows. For modern, fully patched environments, urgency depends on whether these specific components remain present. Mitigation focus: Review and apply Microsoft MS03-037 guidance for affected VBA SDK components.; Inventory legacy systems for VBE.DLL and VBE6.DLL versions 5.0 through 6.3.; Retire, isolate, or restrict unsupported applications embedding affected VBA components..

Prepared

Jun 30, 2026, 08:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.