{"id":"CVE-2026-119942","kind":"vulnerability","aliases":["CVE-2026-119942"],"related":[],"title":"Windows HTTP.sys: local user can read sensitive system information","description":"Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.","summary":"Windows HTTP.sys, the kernel driver that handles HTTP requests, exposes sensitive system information to an unauthorized control sphere. An authorized local attacker can read that information.","severity":"medium","cvss":4.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["http.sys","infrastructure","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:17+00:00","first_seen_at":"2026-11-10T19:25:04+00:00","triaged_at":"2026-11-10T20:04:05+00:00","updated_at":"2026-11-10T20:04:05+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:04:05Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows HTTP.sys: local user can read sensitive system information","impact":"low","summary":"Windows HTTP.sys, the kernel driver that handles HTTP requests, exposes sensitive system information to an unauthorized control sphere. An authorized local attacker can read that information.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","http.sys"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user reads sensitive system information from HTTP.sys","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-119942 for affected Windows builds, the fixed update, and the exact information disclosed.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Machines running Windows with the HTTP.sys component present, which is every Windows host that runs HTTP-based services. Exposure needs a local account on the machine; the sources do not say which Windows builds are affected or which configurations matter.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00067,"input_tokens":4506,"output_tokens":438,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119942':12A,15A '-2026':11A,14A 'allow':58C 'attack':40B,61C 'author':38B,60C 'control':35B,53C 'cve':10A,13A 'disclos':63C 'driver':23B 'expos':28B 'exposur':45C 'handl':25B 'http':26B 'http.sys':2A,16B,20B,57C 'inform':9A,31B,44B,49C,64C 'infrastructur':17B 'kernel':22B 'local':3A,39B,65C 'read':6A,42B 'request':27B 'sensit':7A,29B,47C 'sphere':36B,54C 'system':8A,30B,48C 'unauthor':34B,52C 'user':4A 'window':1A,18B,19B,56C","nicknames":[],"mitigations":[],"who_affected":"Machines running Windows with the HTTP.sys component present, which is every Windows host that runs HTTP-based services. Exposure needs a local account on the machine; the sources do not say which Windows builds are affected or which configurations matter.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["httpsys","infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-119942':12A,15A '-2026':11A,14A 'cve':10A,13A 'http.sys':2A 'inform':9A 'local':3A 'read':6A 'sensit':7A 'system':8A 'user':4A 'window':1A","search_b":"'attack':40B 'author':38B 'control':35B 'driver':23B 'expos':28B 'handl':25B 'http':26B 'http.sys':16B,20B 'inform':31B,44B 'infrastructur':17B 'kernel':22B 'local':39B 'read':42B 'request':27B 'sensit':29B 'sphere':36B 'system':30B 'unauthor':34B 'window':18B,19B","search_c":"'allow':58C 'attack':61C 'author':60C 'control':53C 'disclos':63C 'exposur':45C 'http.sys':57C 'inform':49C,64C 'local':65C 'sensit':47C 'sphere':54C 'system':48C 'unauthor':52C 'window':56C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:17+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-2026-119942","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119942","severity":null,"published_at":"2026-11-10T19:20:17+00:00","modified_at":"2026-11-10T19:20:17+00:00","first_seen_at":"2026-11-10T19:25:04+00:00","fetched_at":"2026-11-10T19:25:04+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"}