{"cve":"CVE-2009-0100","nvd":{"published":"2009-04-15T08:00:00.530","modified":"2026-06-16T23:04:15.720","status":"Modified","description":"Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Microsoft Office Excel Viewer and Excel Viewer 2003 SP3; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 do not properly parse the Excel spreadsheet file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that contains a malformed object with \"an offset and a two-byte value\" that trigger a memory calculation error, aka \"Memory Corruption Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://osvdb.org/53665","http://www.fortiguardcenter.com/advisory/FGA-2009-16.html","http://www.securityfocus.com/archive/1/502696/100/0/threaded","http://www.securitytracker.com/id?1022039","http://www.us-cert.gov/cas/techalerts/TA09-104A.html"],"products":["microsoft:office","microsoft:office_compatibility_pack_for_word_excel_ppt_2007","microsoft:office_excel","microsoft:office_excel_viewer"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-0100","score":0.28832,"percentile":0.98149,"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."]}