{"id":"CVE-2009-0557","aliases":["EUVD-2009-0561","GHSA-fmc6-x6ww-78h8"],"status":"published","title":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for...","description":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.52845,"percentile":0.9898,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2009-06-10T18:00:00Z","modified":"2026-06-16T23:05:18Z","kev":{"date_added":"2022-06-08","due_date":"2022-06-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-06-08"},{"source":"kev","since":"2022-06-08"}],"products":[{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_compatibility_pack"},{"vendor":"microsoft","product":"office_excel_viewer"},{"vendor":"microsoft","product":"office_sharepoint_server"},{"vendor":"microsoft","product":"open_xml_file_format_converter"}],"references":[{"url":"http://www.vupen.com/english/advisories/2009/1540","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link"]},{"url":"http://www.securitytracker.com/id?1022351","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"http://osvdb.org/54953","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/35241","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-160A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Broken Link","Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0557","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0557"},{"url":"https://github.com/advisories/GHSA-fmc6-x6ww-78h8"}],"sources":{"cve":[{"id":"CVE-2009-0557","description":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"","status":"published","published":"2009-06-10T18:00:00Z","modified":"2025-10-22T00:05:54.825Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0561","description":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"","status":"published","published":"2009-06-10T18:00:00Z","modified":"2025-10-22T00:05:54Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-06-08","updated_at":"2026-11-02T19:49:38.726368Z"}],"ghsa":[{"id":"GHSA-fmc6-x6ww-78h8","title":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for...","description":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"","status":"published","published":"2022-05-02T03:16:36Z","modified":"2025-10-22T03:31:34Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:04:09.843024Z"}],"kev":[{"id":"CVE-2009-0557","title":"Microsoft Office Object Record Corruption Vulnerability","description":"Microsoft Office contains an object record corruption vulnerability that allows remote attackers to execute code via a crafted Excel file with a malformed record object.","cwes":["CWE-94"],"kev":{"date_added":"2022-06-08","due_date":"2022-06-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2009-0557","description":"Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka \"Object Record Corruption Vulnerability.\"","status":"published","published":"2009-06-10T18:30:00.203Z","modified":"2026-06-16T23:05:18.14Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:01:35.733785Z"}]}}