{"cve_id":"CVE-2021-26411","published":"2021-03-11T16:15:13.863000+00:00","last_modified":"2026-10-01T21:17:16.540000+00:00","vuln_status":"Analyzed","description":"Internet Explorer Memory Corruption Vulnerability","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L","base_score":8.8,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"CHANGED","impact_c":"LOW","impact_i":"HIGH","impact_a":"LOW","cwe_ids":["CWE-416"],"in_kev":true,"kev_date_added":"2021-11-03","kev_ransomware":true,"epss_score":0.81667,"epss_percentile":0.99642,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"PRIV","caps":["CODE_EXEC","INFO_DISCLOSURE","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-10-02T03:16:12.714654+00:00","first_seen":"2021-03-11T16:15:13.863000+00:00","kev_first_seen":"2021-11-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["edge","internet_explorer","windows_10_1507","windows_10_1607","windows_10_1803","windows_10_1809","windows_10_1903","windows_10_1909","windows_10_2004","windows_10_20h2","windows_7","windows_8.1","windows_rt_8.1","windows_server_2008","windows_server_2012","windows_server_2016","windows_server_2019"],"affected":[{"vendor":"microsoft","product":"edge","ranges":["all versions"]},{"vendor":"microsoft","product":"internet_explorer","ranges":["9","11"]}]}