{"schemaVersion":3,"id":"CVE-2018-8573","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft Word, Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8539.","dates":{"published":"2018-11-14T01:00:00.000Z","modified":"2024-08-05T07:02:25.938Z","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":0.19059,"percentile":0.97289,"severity":"medium","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.19059},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.17386,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.19059,"percentile":0.97289}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.17386,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.19059,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.19059,"percentile":0.97289}]},"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":"microsoft office","name":"Microsoft Office","label":"microsoft office","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":"2019 for 32-bit editions","noFixRecorded":false,"fixedIn":null},{"text":"2019 for 64-bit editions","noFixRecorded":false,"fixedIn":null}],"versionsText":"2010 Service Pack 2 (32-bit editions) | 2010 Service Pack 2 (64-bit editions) | 2019 for 32-bit editions | 2019 for 64-bit editions","eol":null,"hubHref":"/vendor/microsoft/microsoft_office"},{"vendor":"microsoft","product":"microsoft word","name":"Microsoft Word","label":"microsoft word","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}],"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)","eol":null,"hubHref":"/vendor/microsoft/microsoft_word"},{"vendor":"microsoft","product":"office","name":"office","label":"office","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"365 ProPlus for 32-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"365 ProPlus for 64-bit Systems","noFixRecorded":false,"fixedIn":null},{"text":"2010:sp2","noFixRecorded":false,"fixedIn":null},{"text":"2019","noFixRecorded":false,"fixedIn":null}],"versionsText":"365 ProPlus for 32-bit Systems | 365 ProPlus for 64-bit Systems | 2010:sp2 | 2019","eol":{"isEol":true,"eolDate":"2025-10-14T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"2019","label":"2019","eolFrom":"2025-10-14T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"office","label":"Microsoft Office","category":"app"}},"hubHref":"/vendor/microsoft/office"},{"vendor":"microsoft","product":"office_365_proplus","name":"office 365 proplus","label":"office_365_proplus","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/microsoft/office_365_proplus"},{"vendor":"microsoft","product":"word","name":"Word","label":"word","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/word"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securityfocus.com/bid/105836","label":"www.securityfocus.com/bid/105836","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8573","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8573","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1042114","label":"www.securitytracker.com/id/1042114","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-11-14T01:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T07:02:25.938Z","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":"2026-10-19T18:53:47.117Z","stale":false,"partial":false}}