{"id":"CVE-2018-8430","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8430","generatedAt":"2026-10-29T03:02:24.732Z","title":"A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka \"Word PDF Remote Code Execution Vulnerability.\" This affects Microsoft Word, Microsoft Office.","description":"A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka \"Word PDF Remote Code Execution Vulnerability.\" This affects Microsoft Word, Microsoft Office.","published":"2018-09-13T00:29:03.000Z","lastModified":"2026-06-17T02:04:51.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","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"},"cwe":[],"affected":["microsoft/office","microsoft/word"],"epss":{"score":0.23044,"percentile":0.97743,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.20008,"percentile":0.9737},{"date":"2026-09-22","score":0.23044,"percentile":0.97654}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 23.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/105212","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041638","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105212","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041638","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8430","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}