{"id":"CVE-2026-112969","kind":"vulnerability","aliases":["CVE-2026-112969"],"related":[],"title":"Windows Kernel: heap overflow lets a local user with physical access gain privileges","description":"Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges with a physical attack.","summary":"A heap-based buffer overflow in the Windows kernel lets an already-authorized attacker with physical access raise their privileges. The sources do not describe the exact trigger or affected builds.","severity":"medium","cvss":6.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","kernel","windows"],"not_affected_if":["no-physical-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:47+00:00","first_seen_at":"2026-11-10T19:24:35+00:00","triaged_at":"2026-11-10T19:56:05+00:00","updated_at":"2026-11-10T19:56:05+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:56:05Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Windows Kernel: heap overflow lets a local user with physical access gain privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows kernel lets an already-authorized attacker with physical access raise their privileges. The sources do not describe the exact trigger or affected builds.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","kernel"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker with a low-privilege account gains kernel-level control of the machine","analyst_note":"Check the NVD entry and Microsoft's security update guide for affected Windows builds and the patch.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-physical-access"],"who_is_affected":"Windows machines where an attacker has a local account and physical access to the device. The sources do not list affected Windows versions or the exact trigger, so the scope is unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000652,"input_tokens":4499,"output_tokens":404,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-112969':16A,19A '-2026':15A,18A 'access':11A,41B 'affect':54B 'allow':64C 'alreadi':36B 'already-author':35B 'attack':38B,67C,74C 'author':37B,66C 'base':26B,58C 'buffer':27B,59C 'build':55B 'cve':14A,17A 'describ':49B 'elev':69C 'exact':51B 'gain':12A 'heap':3A,25B,57C 'heap-bas':24B,56C 'infrastructur':20B 'kernel':2A,21B,32B,63C 'let':5A,33B 'local':7A 'overflow':4A,28B,60C 'physic':10A,40B,73C 'privileg':13A,44B,70C 'rais':42B 'sourc':46B 'trigger':52B 'user':8A 'window':1A,22B,31B,62C","nicknames":[],"mitigations":[],"who_affected":"Windows machines where an attacker has a local account and physical access to the device. The sources do not list affected Windows versions or the exact trigger, so the scope is unknown.","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":"'-112969':16A,19A '-2026':15A,18A 'access':11A 'cve':14A,17A 'gain':12A 'heap':3A 'kernel':2A 'let':5A 'local':7A 'overflow':4A 'physic':10A 'privileg':13A 'user':8A 'window':1A","search_b":"'access':41B 'affect':54B 'alreadi':36B 'already-author':35B 'attack':38B 'author':37B 'base':26B 'buffer':27B 'build':55B 'describ':49B 'exact':51B 'heap':25B 'heap-bas':24B 'infrastructur':20B 'kernel':21B,32B 'let':33B 'overflow':28B 'physic':40B 'privileg':44B 'rais':42B 'sourc':46B 'trigger':52B 'window':22B,31B","search_c":"'allow':64C 'attack':67C,74C 'author':66C 'base':58C 'buffer':59C 'elev':69C 'heap':57C 'heap-bas':56C 'kernel':63C 'overflow':60C 'physic':73C 'privileg':70C 'window':62C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:47+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112969","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112969","severity":null,"published_at":"2026-11-10T19:18:47+00:00","modified_at":"2026-11-10T19:18:47+00:00","first_seen_at":"2026-11-10T19:24:35+00:00","fetched_at":"2026-11-10T19:24:35+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"}