{"id":"CVE-2026-119965","kind":"vulnerability","aliases":["CVE-2026-119965"],"related":[],"title":"Windows Kernel: use-after-free lets a local user gain higher privileges","description":"Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Windows kernel lets a user who is already logged in on the machine raise their privileges. The attacker needs an authorized local account; the sources give no further detail.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","kernel","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:21+00:00","first_seen_at":"2026-11-10T19:25:05+00:00","triaged_at":"2026-11-10T19:58:18+00:00","updated_at":"2026-11-10T19:58:18+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:58:18Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Windows Kernel: use-after-free lets a local user gain higher privileges","impact":"high","summary":"A use-after-free bug in the Windows kernel lets a user who is already logged in on the machine raise their privileges. The attacker needs an authorized local account; the sources give no further detail.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","kernel"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM privileges on the machine","analyst_note":"Find the Microsoft advisory for CVE-2026-119965 to confirm affected Windows builds and the patch KB.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Machines running a Windows version named in the vendor's advisory, where a local account can run code. Remote attackers without a local account are not described as affected. The sources do not name the affected Windows builds.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000654,"input_tokens":4477,"output_tokens":413,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119965':16A,19A '-2026':15A,18A 'account':53B 'allow':66C 'alreadi':38B 'attack':48B,69C 'author':51B,68C 'bug':28B 'cve':14A,17A 'detail':59B 'elev':71C 'free':6A,27B,62C 'gain':11A 'give':56B 'higher':12A 'infrastructur':20B 'kernel':2A,21B,32B,65C 'let':7A,33B 'local':9A,52B,73C 'log':39B 'machin':43B 'need':49B 'privileg':13A,46B,72C 'rais':44B 'sourc':55B 'use':4A,25B,60C 'use-after-fre':3A,24B 'user':10A,35B 'window':1A,22B,31B,64C","nicknames":[],"mitigations":[],"who_affected":"Machines running a Windows version named in the vendor's advisory, where a local account can run code. Remote attackers without a local account are not described as affected. The sources do not name the affected Windows builds.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","kernel","medium","windows"],"campaign_type":null,"search_a":"'-119965':16A,19A '-2026':15A,18A 'cve':14A,17A 'free':6A 'gain':11A 'higher':12A 'kernel':2A 'let':7A 'local':9A 'privileg':13A 'use':4A 'use-after-fre':3A 'user':10A 'window':1A","search_b":"'account':53B 'alreadi':38B 'attack':48B 'author':51B 'bug':28B 'detail':59B 'free':27B 'give':56B 'infrastructur':20B 'kernel':21B,32B 'let':33B 'local':52B 'log':39B 'machin':43B 'need':49B 'privileg':46B 'rais':44B 'sourc':55B 'use':25B 'use-after-fre':24B 'user':35B 'window':22B,31B","search_c":"'allow':66C 'attack':69C 'author':68C 'elev':71C 'free':62C 'kernel':65C 'local':73C 'privileg':72C 'use':60C 'window':64C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:21+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119965","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119965","severity":null,"published_at":"2026-11-10T19:20:21+00:00","modified_at":"2026-11-10T19:20:21+00:00","first_seen_at":"2026-11-10T19:25:05+00:00","fetched_at":"2026-11-10T19:25:05+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}