{"id":"CVE-2026-118143","kind":"vulnerability","aliases":["CVE-2026-118143"],"related":[],"title":"Windows kernel: out-of-bounds read lets a physical attacker gain higher privileges","description":"Out-of-bounds read in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.","summary":"A flaw in the Windows kernel reads memory outside its intended bounds. An attacker with physical access to the machine can use it to elevate their privileges.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:34+00:00","first_seen_at":"2026-11-10T19:24:49+00:00","triaged_at":"2026-11-10T19:55:44+00:00","updated_at":"2026-11-10T19:55:44+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:55:44Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows kernel: out-of-bounds read lets a physical attacker gain higher privileges","impact":"high","summary":"A flaw in the Windows kernel reads memory outside its intended bounds. An attacker with physical access to the machine can use it to elevate their privileges.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker with physical access gains elevated system privileges","analyst_note":"Confirm affected Windows builds and the Microsoft fix from the MSRC advisory for CVE-2026-118143; the NVD entry alone gives no versions.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000633,"input_tokens":4499,"output_tokens":367,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-118143':17A,20A '-2026':16A,19A 'access':39B 'allow':58C 'attack':11A,36B,61C,68C 'bound':6A,34B,53C 'cve':15A,18A 'elev':47B,63C 'flaw':24B 'gain':12A 'higher':13A 'infrastructur':21B 'intend':33B 'kernel':2A,28B,57C 'let':8A 'machin':42B 'memori':30B 'out-of-bound':3A,50C 'outsid':31B 'physic':10A,38B,67C 'privileg':14A,49B,64C 'read':7A,29B,54C 'unauthor':60C 'use':44B 'window':1A,22B,27B,56C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-118143':17A,20A '-2026':16A,19A 'attack':11A 'bound':6A 'cve':15A,18A 'gain':12A 'higher':13A 'kernel':2A 'let':8A 'out-of-bound':3A 'physic':10A 'privileg':14A 'read':7A 'window':1A","search_b":"'access':39B 'attack':36B 'bound':34B 'elev':47B 'flaw':24B 'infrastructur':21B 'intend':33B 'kernel':28B 'machin':42B 'memori':30B 'outsid':31B 'physic':38B 'privileg':49B 'read':29B 'use':44B 'window':22B,27B","search_c":"'allow':58C 'attack':61C,68C 'bound':53C 'elev':63C 'kernel':57C 'out-of-bound':50C 'physic':67C 'privileg':64C 'read':54C 'unauthor':60C 'window':56C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:34+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118143","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118143","severity":null,"published_at":"2026-11-10T19:19:34+00:00","modified_at":"2026-11-10T19:19:34+00:00","first_seen_at":"2026-11-10T19:24:49+00:00","fetched_at":"2026-11-10T19:24:49+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"}