CVE-2007-2495: Office Ocx Excel Viewer Ocx

High severity, CVSS 7.5. EPSS: 4% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the ExcelOCX ActiveX control in ExcelViewer.ocx 3.1.0.6 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) Save, (6) SaveWebFile, (7) HttpDownloadFile, (8) Open, or (9) OpenWebFile property value. NOTE: some of these details are obtained from third party information.

Affected products

• Office Ocx Excel Viewer Ocx: up to and including 3.1.0.6

Published 2007-05-04. Last modified 2026-06-16.