{"cve_id":"CVE-2020-0796","published":"2020-03-12T16:15:15.627000+00:00","last_modified":"2026-10-01T20:17:17.727000+00:00","vuln_status":"Analyzed","description":"A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","base_score":10.0,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"CHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-119"],"in_kev":true,"kev_date_added":"2022-02-10","kev_ransomware":true,"epss_score":0.9981,"epss_percentile":0.99959,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"PRIV","caps":["CODE_EXEC","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-10-02T03:16:12.714654+00:00","first_seen":"2020-03-12T16:15:15.627000+00:00","kev_first_seen":"2022-02-10T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["windows_10_1903","windows_10_1909","windows_server_1903","windows_server_1909"],"affected":[{"vendor":"microsoft","product":"windows_10_1903","ranges":["all versions"]},{"vendor":"microsoft","product":"windows_10_1909","ranges":["all versions"]},{"vendor":"microsoft","product":"windows_server_1903","ranges":["all versions"]},{"vendor":"microsoft","product":"windows_server_1909","ranges":["all versions"]}]}