{"schema":"threatline.record/2","record":{"id":"CVE-2018-8298","aliases":[],"summary":"ChakraCore Scripting Engine Type Confusion Vulnerability","details":"The ChakraCore scripting engine contains a type confusion vulnerability which can allow for remote code execution.","categories":["Unclassified"],"product":"ChakraCore scripting engine","vendor":"ChakraCore","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-8298","source_modified_at":"2025-10-21T23:45:49.700Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"ChakraCore","vendor":"Microsoft","versions":[{"status":"affected","version":"ChakraCore"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2022-03-03","due_date":"2022-03-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.74694,"percentile":0.99504,"score_date":"2026-10-23"},"published_at":"2018-07-11T00:00:00.000Z","modified_at":"2025-10-21T23:45:49.700Z","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-2018-8298","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:45:49.700Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/45217","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2018-08-17"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-8298","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8298","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.exploit-db.com/exploits/45217/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8298","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":"2025-02-07T16:26:02.663829Z"},"exploits":[{"source":"Exploit-DB","kind":"Dos exploit","name":"Microsoft Edge Chakra JIT - InitializeNumberFormat and InitializeDateTimeFormat Type Confusion","url":"https://www.exploit-db.com/exploits/45217","date":"2018-08-17","added":"2018-08-17","verified":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:45:49.700Z","content_hash":"8459cd26b21ad15cc4f13b566e96d6771007db0181c731a91ec5210bf1a9bff0"}}