{"schemaVersion":3,"id":"CVE-2018-8379","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka \"Microsoft Excel Remote Code Execution Vulnerability.\" This affects Microsoft Excel. This CVE ID is unique from CVE-2018-8375.","dates":{"published":"2018-08-15T17:00:00.000Z","modified":"2024-08-05T06:54:36.123Z","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":"3.0","versionLabel":"v3.0","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"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":0.17078,"percentile":0.97056,"severity":"medium","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.17078},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.16478,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.17078,"percentile":0.97056}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.16478,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.17078,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.17078,"percentile":0.97056}]},"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":[],"affected":[{"vendor":"microsoft","product":"excel","name":"excel","label":"excel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2010:sp2","noFixRecorded":false,"fixedIn":null},{"text":"2013:sp1","noFixRecorded":false,"fixedIn":null},{"text":"2016","noFixRecorded":false,"fixedIn":null}],"versionsText":"2010:sp2 | 2013:sp1 | 2016","eol":null,"hubHref":"/vendor/microsoft/excel"},{"vendor":"microsoft","product":"excel_2013_rt","name":"excel 2013 rt","label":"excel_2013_rt","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"sp1","noFixRecorded":false,"fixedIn":null}],"versionsText":"sp1","eol":null,"hubHref":"/vendor/microsoft/excel_2013_rt"},{"vendor":"microsoft","product":"microsoft excel","name":"Microsoft Excel","label":"microsoft excel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2010 Service Pack 2 (32-bit editions)","noFixRecorded":false,"fixedIn":null},{"text":"2010 Service Pack 2 (64-bit editions)","noFixRecorded":false,"fixedIn":null},{"text":"2013 RT Service Pack 1","noFixRecorded":false,"fixedIn":null},{"text":"2013 Service Pack 1 (32-bit editions)","noFixRecorded":false,"fixedIn":null},{"text":"2013 Service Pack 1 (64-bit editions)","noFixRecorded":false,"fixedIn":null},{"text":"2016 (32-bit edition)","noFixRecorded":false,"fixedIn":null},{"text":"2016 (64-bit edition)","noFixRecorded":false,"fixedIn":null},{"text":"2016 Click-to-Run (C2R) for 32-bit editions","noFixRecorded":false,"fixedIn":null},{"text":"2016 Click-to-Run (C2R) for 64-bit editions","noFixRecorded":false,"fixedIn":null}],"versionsText":"2010 Service Pack 2 (32-bit editions) | 2010 Service Pack 2 (64-bit editions) | 2013 RT Service Pack 1 | 2013 Service Pack 1 (32-bit editions) | 2013 Service Pack 1 (64-bit editions) | 2016 (32-bit edition) | 2016 (64-bit edition) | 2016 Click-to-Run (C2R) for 32-bit editions | 2016 Click-to-Run (C2R) for 64-bit editions","eol":null,"hubHref":"/vendor/microsoft/microsoft_excel"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/104997","label":"www.securityfocus.com/bid/104997","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1041463","label":"www.securitytracker.com/id/1041463","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8379","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8379","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-08-15T17:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T06:54:36.123Z","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":"2026-10-19T21:41:15.061Z","stale":false,"partial":false}}