{"cve_id":"CVE-2021-21224","published":"2021-04-26T17:15:08.703000+00:00","last_modified":"2026-06-17T03:35:04.383000+00:00","vuln_status":"Analyzed","description":"Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","base_score":8.8,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-843"],"in_kev":true,"kev_date_added":"2021-11-03","kev_ransomware":false,"epss_score":0.84173,"epss_percentile":0.99695,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:37:49.285398+00:00","first_seen":"2021-04-26T17:15:08.703000+00:00","kev_first_seen":"2021-11-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["debian","fedoraproject","google"],"products":["chrome","debian_linux","fedora"],"affected":[{"vendor":"debian","product":"debian_linux","ranges":["10.0"]},{"vendor":"fedoraproject","product":"fedora","ranges":["32","33","34"]},{"vendor":"google","product":"chrome","ranges":["< 90.0.4430.85"]}]}