{"id":"CVE-2018-8413","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8413","generatedAt":"2026-10-29T00:46:39.110Z","title":"A remote code execution vulnerability exists when \"Windows Theme API\" does not properly decompress files, aka \"Windows Theme API Remote Code Execution Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019,…","description":"A remote code execution vulnerability exists when \"Windows Theme API\" does not properly decompress files, aka \"Windows Theme API Remote Code Execution Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","published":"2018-10-10T13:29:02.000Z","lastModified":"2026-06-17T02:04:49.000Z","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/windows 10","microsoft/windows 7","microsoft/windows 8.1","microsoft/windows rt 8.1","microsoft/windows server 2008","microsoft/windows server 2012","microsoft/windows server 2016","microsoft/windows server 2019"],"epss":{"score":0.46253,"percentile":0.98807,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.37085,"percentile":0.98494},{"date":"2026-09-22","score":0.46253,"percentile":0.98759}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2020-01-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":47975,"kind":"exploit","title":"Microsoft Windows 10 - Theme API 'ThemePack' File Parsing","url":"https://www.exploit-db.com/exploits/47975","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/47975.c","file":"exploits/windows/local/47975.c","published":"2020-01-29","added":"2020-01-29","updated":"2020-01-29","author":"Eduardo Braun Prado","type":"local","platform":"windows","port":null,"verified":false,"codes":["CVE-2018-8413"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 46.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.46253,"from":0.37085,"percentile":0.98759},"summary":"EPSS moved from 37.1% to 46.3% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/156027/Microsoft-Windows-Theme-API-File-Parsing.html","source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105448","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041824","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8413","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://packetstormsecurity.com/files/156027/Microsoft-Windows-Theme-API-File-Parsing.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/105448","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041824","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8413","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8413","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."}