{"schemaVersion":3,"id":"CVE-2018-8176","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A remote code execution vulnerability exists in Microsoft PowerPoint software when the software fails to properly validate XML content, aka \"Microsoft PowerPoint Remote Code Execution Vulnerability.\" This affects Microsoft Office.","dates":{"published":"2018-05-23T13:00:00.000Z","modified":"2024-08-05T06:46:13.723Z","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":8.8,"severity":"high","vector":"CVSS:3.0/AV:N/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":0.23627,"percentile":0.97791,"severity":"high","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":-0.4449999999999982,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.24072},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.22245,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.23627,"percentile":0.97791}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.22245,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.24072,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.23627,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.23627,"percentile":0.97791}]},"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-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"microsoft","product":"microsoft office","name":"Microsoft Office","label":"microsoft office","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2016 for Mac","noFixRecorded":false,"fixedIn":null}],"versionsText":"2016 for Mac","eol":null,"hubHref":"/vendor/microsoft/microsoft_office"},{"vendor":"microsoft","product":"office_for_mac","name":"office for mac","label":"office_for_mac","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2016","noFixRecorded":false,"fixedIn":null}],"versionsText":"2016","eol":null,"hubHref":"/vendor/microsoft/office_for_mac"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securitytracker.com/id/1040937","label":"www.securitytracker.com/id/1040937","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-2018-8176","label":"portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8176","hostname":"portal.msrc.microsoft.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/104184","label":"www.securityfocus.com/bid/104184","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-05-23T13:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T06:46:13.723Z","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":"2026-10-19T13:12:59.154Z","stale":false,"partial":false}}