{"id":"CVE-2026-119382","kind":"vulnerability","aliases":["CVE-2026-119382"],"related":[],"title":"Windows TPM: heap buffer overflow lets a local user gain higher privileges","description":"Heap-based buffer overflow in Windows TPM allows an authorized attacker to elevate privileges locally.","summary":"A heap-based buffer overflow in the Windows Trusted Platform Module component lets an authorized local user escalate privileges. The sources do not give the affected Windows builds or a fixed version.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows TPM","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","tpm","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:52+00:00","first_seen_at":"2026-11-10T19:24:55+00:00","triaged_at":"2026-11-10T19:40:34+00:00","updated_at":"2026-11-10T19:40:34+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:40:34Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows TPM: heap buffer overflow lets a local user gain higher privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows Trusted Platform Module component lets an authorized local user escalate privileges. The sources do not give the affected Windows builds or a fixed version.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","tpm"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated system privileges on the machine","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-119382 to list affected Windows builds and the fixed update.","how_to_check":"- unknown","plain_action":"","product_name":"Windows TPM","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000636,"input_tokens":4488,"output_tokens":374,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-119382 to list affected Windows builds and the fixed update.","search":"'-119382':15A,18A '-2026':14A,17A 'affect':50B 'allow':65C 'attack':68C 'author':39B,67C 'base':27B,59C 'buffer':4A,28B,60C 'build':52B 'compon':36B 'cve':13A,16A 'elev':70C 'escal':42B 'fix':55B 'gain':10A 'give':48B 'heap':3A,26B,58C 'heap-bas':25B,57C 'higher':11A 'infrastructur':21B 'let':6A,37B 'local':8A,40B,72C 'modul':35B 'overflow':5A,29B,61C 'platform':34B 'privileg':12A,43B,71C 'sourc':45B 'tpm':2A,20A,22B,64C 'trust':33B 'user':9A,41B 'version':56B 'window':1A,23B,32B,51B,63C 'windows':19A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["tpm","windowstpm"],"ptokens":["tpm","windows"],"labels":["high","infrastructure","tpm","vendor","windows"],"campaign_type":null,"search_a":"'-119382':15A,18A '-2026':14A,17A 'buffer':4A 'cve':13A,16A 'gain':10A 'heap':3A 'higher':11A 'let':6A 'local':8A 'overflow':5A 'privileg':12A 'tpm':2A,20A 'user':9A 'window':1A 'windows':19A","search_b":"'affect':50B 'author':39B 'base':27B 'buffer':28B 'build':52B 'compon':36B 'escal':42B 'fix':55B 'give':48B 'heap':26B 'heap-bas':25B 'infrastructur':21B 'let':37B 'local':40B 'modul':35B 'overflow':29B 'platform':34B 'privileg':43B 'sourc':45B 'tpm':22B 'trust':33B 'user':41B 'version':56B 'window':23B,32B,51B","search_c":"'allow':65C 'attack':68C 'author':67C 'base':59C 'buffer':60C 'elev':70C 'heap':58C 'heap-bas':57C 'local':72C 'overflow':61C 'privileg':71C 'tpm':64C 'window':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:52+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/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-2026-119382","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119382","severity":null,"published_at":"2026-11-10T19:19:52+00:00","modified_at":"2026-11-10T19:19:52+00:00","first_seen_at":"2026-11-10T19:24:55+00:00","fetched_at":"2026-11-10T19:24:55+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"}