{"cve":"CVE-2009-3134","nvd":{"published":"2009-11-11T20:30:00.313","modified":"2026-06-16T23:11:00.867","status":"Modified","description":"Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a spreadsheet with a malformed record object, aka \"Excel Field Sanitization Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://www.securitytracker.com/id?1023157","http://www.us-cert.gov/cas/techalerts/TA09-314A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5878","http://www.securitytracker.com/id?1023157"],"products":["microsoft:compatibility_pack_word_excel_powerpoint","microsoft:excel","microsoft:excel_viewer","microsoft:office","microsoft:open_xml_file_format_converter"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3134","score":0.25777,"percentile":0.97972,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}