{"id":"CVE-2026-119910","kind":"vulnerability","aliases":["CVE-2026-119910"],"related":[],"title":"Windows Win32K: race condition lets a local user read information","description":"Time-of-check time-of-use (toctou) race condition in Windows Win32K allows an authorized attacker to disclose information locally.","summary":"A time-of-check time-of-use race in the Windows Win32K kernel driver lets an authorized local user disclose information. An attacker needs a logon on the machine and cannot use it from the network.","severity":"medium","cvss":4.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","win32k","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:12+00:00","first_seen_at":"2026-11-10T19:25:02+00:00","triaged_at":"2026-11-10T20:04:08+00:00","updated_at":"2026-11-10T20:04:08+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:04:08Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Win32K: race condition lets a local user read information","impact":"low","summary":"A time-of-check time-of-use race in the Windows Win32K kernel driver lets an authorized local user disclose information. An attacker needs a logon on the machine and cannot use it from the network.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","win32k"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user reads kernel information they should not see","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-119910 to get affected builds and the patch.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Machines running affected Windows versions where a user already has a local account can be exposed. The sources do not name the affected builds or the patch, so unknown.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000643,"input_tokens":4501,"output_tokens":385,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119910':13A,16A '-2026':12A,15A 'allow':72C 'attack':44B,75C 'author':38B,74C 'cannot':52B 'check':24B,61C 'condit':4A,68C 'cve':11A,14A 'disclos':41B,77C 'driver':35B 'inform':10A,42B,78C 'infrastructur':17B 'kernel':34B 'let':5A,36B 'local':7A,39B,79C 'logon':47B 'machin':50B 'need':45B 'network':57B 'race':3A,29B,67C 'read':9A 'time':22B,26B,59C,63C 'time-of-check':21B,58C 'time-of-us':25B,62C 'toctou':66C 'use':28B,53B,65C 'user':8A,40B 'win32k':2A,18B,33B,71C 'window':1A,19B,32B,70C","nicknames":[],"mitigations":[],"who_affected":"Machines running affected Windows versions where a user already has a local account can be exposed. The sources do not name the affected builds or the patch, so unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","medium","win32k","windows"],"campaign_type":null,"search_a":"'-119910':13A,16A '-2026':12A,15A 'condit':4A 'cve':11A,14A 'inform':10A 'let':5A 'local':7A 'race':3A 'read':9A 'user':8A 'win32k':2A 'window':1A","search_b":"'attack':44B 'author':38B 'cannot':52B 'check':24B 'disclos':41B 'driver':35B 'inform':42B 'infrastructur':17B 'kernel':34B 'let':36B 'local':39B 'logon':47B 'machin':50B 'need':45B 'network':57B 'race':29B 'time':22B,26B 'time-of-check':21B 'time-of-us':25B 'use':28B,53B 'user':40B 'win32k':18B,33B 'window':19B,32B","search_c":"'allow':72C 'attack':75C 'author':74C 'check':61C 'condit':68C 'disclos':77C 'inform':78C 'local':79C 'race':67C 'time':59C,63C 'time-of-check':58C 'time-of-us':62C 'toctou':66C 'use':65C 'win32k':71C 'window':70C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:12+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119910","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119910","severity":null,"published_at":"2026-11-10T19:20:12+00:00","modified_at":"2026-11-10T19:20:12+00:00","first_seen_at":"2026-11-10T19:25:02+00:00","fetched_at":"2026-11-10T19:25:02+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"}