{"id":"CVE-2010-0263","aliases":["EUVD-2010-0294","GHSA-fjp3-x79g-grgm"],"status":"published","title":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for...","description":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka \"Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability.\"","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.25692,"percentile":0.97977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2010-03-10T22:00:00Z","modified":"2026-06-16T23:15:49Z","products":[{"vendor":"microsoft","product":"excel"},{"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":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8407","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-017","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-068A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.securityfocus.com/archive/1/509979/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-025/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securitytracker.com/id?1023698","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0263"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-025"},{"url":"https://github.com/advisories/GHSA-fjp3-x79g-grgm"}],"sources":{"cve":[{"id":"CVE-2010-0263","description":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka \"Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability.\"","status":"published","published":"2010-03-10T22:00:00Z","modified":"2024-08-07T00:45:11.572Z","updated_at":"2026-11-02T14:33:29.990758Z"}],"euvd":[{"id":"EUVD-2010-0294","description":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka \"Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability.\"","status":"published","published":"2010-03-10T22:00:00Z","modified":"2024-08-07T00:45:11Z","updated_at":"2026-11-03T01:39:45.66674Z"}],"ghsa":[{"id":"GHSA-fjp3-x79g-grgm","title":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for...","description":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka \"Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability.\"","status":"published","published":"2022-05-02T06:11:16Z","modified":"2025-04-11T03:33:16Z","cwes":["CWE-94"],"updated_at":"2026-11-02T15:01:04.878594Z"}],"nvd":[{"id":"CVE-2010-0263","description":"Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka \"Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability.\"","status":"published","published":"2010-03-10T22:30:01.2Z","modified":"2026-06-16T23:15:49.023Z","cvss":[{"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":"2026-11-02T14:01:40.249593Z"}]}}