{"schemaVersion":3,"id":"CVE-2011-0097","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; 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 via a crafted 400h substream in an Excel file, which triggers a stack-based buffer overflow, aka \"Excel Integer Overrun Vulnerability.\"","dates":{"published":"2011-04-13T18:00:00.000Z","modified":"2024-08-06T21:43:14.769Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.31553,"percentile":0.98277,"severity":"high","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-6.668000000000002,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.38221},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.31553,"percentile":0.98277}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.38221,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.31553,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.31553,"percentile":0.98277}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-189","name":"Numeric Errors","description":"Weaknesses in this category are related to improper calculation or conversion of numbers.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/189.html"}],"affected":[{"vendor":"microsoft","product":"excel","name":"excel","label":"excel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null},{"text":"2002:sp3","noFixRecorded":false,"fixedIn":null},{"text":"2003:sp3","noFixRecorded":false,"fixedIn":null},{"text":"2007:sp2","noFixRecorded":false,"fixedIn":null},{"text":"2010","noFixRecorded":false,"fixedIn":null}],"versionsText":"na | 2002:sp3 | 2003:sp3 | 2007:sp2 | 2010","eol":null,"hubHref":"/vendor/microsoft/excel"},{"vendor":"microsoft","product":"excel_viewer","name":"excel viewer","label":"excel_viewer","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/microsoft/excel_viewer"},{"vendor":"microsoft","product":"office","name":"office","label":"office","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2004","noFixRecorded":false,"fixedIn":null},{"text":"2008","noFixRecorded":false,"fixedIn":null}],"versionsText":"2004 | 2008","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"office","label":"Microsoft Office","category":"app"}},"hubHref":"/vendor/microsoft/office"},{"vendor":"microsoft","product":"office_compatibility_pack","name":"office compatibility pack","label":"office_compatibility_pack","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2007:sp2","noFixRecorded":false,"fixedIn":null}],"versionsText":"2007:sp2","eol":null,"hubHref":"/vendor/microsoft/office_compatibility_pack"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.us-cert.gov/cas/techalerts/TA11-102A.html","label":"www.us-cert.gov/cas/techalerts/TA11-102A.html","hostname":"www.us-cert.gov","tags":["Third Party Advisory","X Refsource CERT","US Government Resource"]},{"url":"http://secunia.com/advisories/39122","label":"secunia.com/advisories/39122","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://secunia.com/secunia_research/2011-31","label":"secunia.com/secunia_research/2011-31","hostname":"secunia.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"http://osvdb.org/71758","label":"osvdb.org/71758","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.securitytracker.com/id?1025337","label":"www.securitytracker.com/id?1025337","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12612","label":"oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12612","hostname":"oval.cisecurity.org","tags":["VDB Entry","Signature","X Refsource OVAL"]},{"url":"http://www.securityfocus.com/bid/47201","label":"www.securityfocus.com/bid/47201","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.vupen.com/english/advisories/2011/0940","label":"www.vupen.com/english/advisories/2011/0940","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2011-04-13T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T21:43:14.769Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T00:53:19.880Z","stale":false,"partial":false}}