{"cve_id":"CVE-2026-41091","published":"2026-05-20T13:16:29.173000+00:00","last_modified":"2026-07-24T10:10:00.197000+00:00","vuln_status":"Analyzed","description":"Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","base_score":7.8,"base_severity":"HIGH","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-59"],"in_kev":true,"kev_date_added":"2026-05-20","kev_ransomware":false,"epss_score":0.08202,"epss_percentile":0.94878,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["CODE_EXEC","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T12:13:11.603467+00:00","first_seen":"2026-05-20T13:16:29.173000+00:00","kev_first_seen":"2026-05-20T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["malware_protection_engine"],"affected":[{"vendor":"microsoft","product":"malware_protection_engine","ranges":["≥ 1.1.26030.3008 and < 1.1.26040.8"]}]}