{"cve_id":"CVE-2026-85880","published":"2026-09-08T18:21:14.087000+00:00","last_modified":"2026-09-24T23:19:20.773000+00:00","vuln_status":"Analyzed","description":"Heap-based buffer overflow in Windows ALPC 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-122","CWE-908"],"in_kev":true,"kev_date_added":"2026-09-08","kev_ransomware":false,"epss_score":0.00387,"epss_percentile":0.3283,"cap_rule_version":"0.1.1","stage":"EXECUTION","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-25T03:16:59.115909+00:00","first_seen":"2026-09-08T18:21:14.087000+00:00","kev_first_seen":"2026-09-08T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":"2026-09-22T07:01:31.750503+00:00","vendors":["microsoft"],"products":["windows_10_1607","windows_10_1809","windows_10_21h2","windows_10_22h2","windows_server_2012","windows_server_2016","windows_server_2019","windows_server_2022"],"affected":[{"vendor":"microsoft","product":"windows_10_1607","ranges":["< 10.0.14393.9512"]},{"vendor":"microsoft","product":"windows_10_1809","ranges":["< 10.0.17763.9245"]},{"vendor":"microsoft","product":"windows_10_21h2","ranges":["< 10.0.19044.7725"]},{"vendor":"microsoft","product":"windows_10_22h2","ranges":["< 10.0.19045.7725"]},{"vendor":"microsoft","product":"windows_server_2012","ranges":["all versions","r2"]},{"vendor":"microsoft","product":"windows_server_2016","ranges":["< 10.0.14393.9512"]},{"vendor":"microsoft","product":"windows_server_2019","ranges":["< 10.0.17763.9245"]},{"vendor":"microsoft","product":"windows_server_2022","ranges":["< 10.0.20348.5622"]}]}