{"schema":"threatline.record/2","record":{"id":"CVE-2018-8373","aliases":[],"summary":"Microsoft Scripting Engine Memory Corruption Vulnerability","details":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer.","categories":["Applications & CMS"],"product":"Internet Explorer Scripting Engine","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8373","source_modified_at":"2025-10-21T23:45:48.955Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Internet Explorer 9","vendor":"Microsoft","versions":[{"status":"affected","version":"Windows Server 2008 for 32-bit Systems Service Pack 2"},{"status":"affected","version":"Windows Server 2008 for x64-based Systems Service Pack 2"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8373","source_modified_at":"2025-10-21T23:45:48.955Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Internet Explorer 11","vendor":"Microsoft","versions":[{"status":"affected","version":"Windows 10 for 32-bit Systems"},{"status":"affected","version":"Windows 10 for x64-based Systems"},{"status":"affected","version":"Windows 10 Version 1607 for 32-bit Systems"},{"status":"affected","version":"Windows 10 Version 1607 for x64-based Systems"},{"status":"affected","version":"Windows 10 Version 1703 for 32-bit Systems"},{"status":"affected","version":"Windows 10 Version 1703 for x64-based Systems"},{"status":"affected","version":"Windows 10 Version 1709 for 32-bit Systems"},{"status":"affected","version":"Windows 10 Version 1709 for x64-based Systems"},{"status":"affected","version":"Windows 10 Version 1803 for 32-bit Systems"},{"status":"affected","version":"Windows 10 Version 1803 for x64-based Systems"},{"status":"affected","version":"Windows 7 for 32-bit Systems Service Pack 1"},{"status":"affected","version":"Windows 7 for x64-based Systems Service Pack 1"},{"status":"affected","version":"Windows 8.1 for 32-bit systems"},{"status":"affected","version":"Windows 8.1 for x64-based systems"},{"status":"affected","version":"Windows RT 8.1"},{"status":"affected","version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1"},{"status":"affected","version":"Windows Server 2012 R2"},{"status":"affected","version":"Windows Server 2016"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8373","source_modified_at":"2025-10-21T23:45:48.955Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Internet Explorer 10","vendor":"Microsoft","versions":[{"status":"affected","version":"Windows Server 2012"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2022-03-25","due_date":"2022-04-15","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.61511,"percentile":0.99169,"score_date":"2026-10-23"},"published_at":"2018-08-15T17:00:00.000Z","modified_at":"2025-10-21T23:45:48.955Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2018-8373","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:45:48.955Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-8373","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8373","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8373","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-07T16:25:45.358705Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:45:48.955Z","content_hash":"2b6138595aad850b58932c91727ed8004e5ebab6237202d28b5c5d4891849fe1"}}