{"id":"CVE-2011-1276","aliases":["EUVD-2011-1284","GHSA-34mj-v24w-6jvv"],"status":"published","title":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac...","description":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka \"Excel Buffer Overrun 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":"2026-11-08","score":0.28222,"percentile":0.98127,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2011-06-16T20:21:00Z","modified":"2026-06-16T23:29:04Z","exploits":[{"source":"exploitdb","id":"EDB-17643","title":"Excel - SLYK Format Parsing Buffer Overrun (PoC)","type":"dos","platform":"windows","date":"2011-08-09","verified":true,"url":"https://www.exploit-db.com/exploits/17643"}],"products":[{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"excel_viewer"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_compatibility_pack"},{"vendor":"microsoft","product":"open_xml_file_format_converter"}],"references":[{"url":"http://osvdb.org/72924","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://securityreason.com/securityalert/8330","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12451","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1276"},{"url":"https://github.com/advisories/GHSA-34mj-v24w-6jvv"}],"sources":{"cve":[{"id":"CVE-2011-1276","description":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka \"Excel Buffer Overrun Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:21:33.983Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1284","description":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka \"Excel Buffer Overrun Vulnerability.\"","status":"published","published":"2011-06-16T20:21:00Z","modified":"2024-08-06T22:21:33Z","updated_at":"2026-11-03T01:55:57.223544Z"}],"ghsa":[{"id":"GHSA-34mj-v24w-6jvv","title":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac...","description":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka \"Excel Buffer Overrun Vulnerability.\"","status":"published","published":"2022-05-14T02:35:51Z","modified":"2023-02-02T05:06:27Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:52:18.649117Z"}],"nvd":[{"id":"CVE-2011-1276","description":"Buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Excel spreadsheet, related to improper validation of record information, aka \"Excel Buffer Overrun Vulnerability.\"","status":"published","published":"2011-06-16T20:55:02.213Z","modified":"2026-06-16T23:29:04.1Z","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-119"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}