{"id":"CVE-2026-96129","kind":"vulnerability","aliases":["CVE-2026-96129"],"related":[],"title":"Windows Kernel: authorized local user can elevate privileges to system","description":"Inclusion of functionality from untrusted control sphere in Windows Kernel allows an authorized attacker to elevate privileges locally.","summary":"A flaw in the Windows kernel lets a user who already has an account on the machine gain higher privileges. The attacker gets elevated rights on the local system.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Kernel","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","local-privilege-escalation","windows","windows-kernel"],"not_affected_if":["no-local-access"],"how_to_check":"Affected builds unknown. Look up CVE-2026-96129 in the Microsoft Security Update Guide for your Windows build, and check installed updates with: Get-HotFix (PowerShell) against the KB the advisory lists.","fix":null,"status":"open","published_at":"2026-11-10T19:22:10+00:00","first_seen_at":"2026-11-10T19:25:31+00:00","triaged_at":"2026-11-10T19:36:25+00:00","updated_at":"2026-11-10T19:45:00+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:36:25Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Kernel: authorized local user can elevate privileges to system","impact":"high","summary":"A flaw in the Windows kernel lets a user who already has an account on the machine gain higher privileges. The attacker gets elevated rights on the local system.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains kernel-level privileges on the machine","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-96129 for affected builds and the patch.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Kernel","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Machines running affected Windows versions where an authorized user can log in locally. The sources do not name the affected Windows builds, so unknown.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000644,"input_tokens":4500,"output_tokens":389,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-96129 for affected builds and the patch.","search":"'-2026':12A,15A '-96129':13A,16A 'account':41B 'allow':67C 'alreadi':38B 'attack':49B,70C 'author':3A,69C 'control':62C 'cve':11A,14A 'elev':7A,51B,72C 'escal':23B 'flaw':29B 'function':59C 'gain':45B 'get':50B 'higher':46B 'inclus':57C 'infrastructur':19B 'kernel':2A,18A,27B,33B,66C 'let':34B 'local':4A,21B,55B,74C 'local-privilege-escal':20B 'machin':44B 'privileg':8A,22B,47B,73C 'right':52B 'sphere':63C 'system':10A,56B 'untrust':61C 'user':5A,36B 'window':1A,24B,26B,32B,65C 'windows':17A 'windows-kernel':25B","nicknames":[],"mitigations":[],"who_affected":"Machines running affected Windows versions where an authorized user can log in locally. The sources do not name the affected Windows builds, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["kernel","windowskernel"],"ptokens":["kernel","windows"],"labels":["high","infrastructure","localprivilegeescalation","vendor","windows","windowskernel"],"campaign_type":null,"search_a":"'-2026':12A,15A '-96129':13A,16A 'author':3A 'cve':11A,14A 'elev':7A 'kernel':2A,18A 'local':4A 'privileg':8A 'system':10A 'user':5A 'window':1A 'windows':17A","search_b":"'account':41B 'alreadi':38B 'attack':49B 'elev':51B 'escal':23B 'flaw':29B 'gain':45B 'get':50B 'higher':46B 'infrastructur':19B 'kernel':27B,33B 'let':34B 'local':21B,55B 'local-privilege-escal':20B 'machin':44B 'privileg':22B,47B 'right':52B 'system':56B 'user':36B 'window':24B,26B,32B 'windows-kernel':25B","search_c":"'allow':67C 'attack':70C 'author':69C 'control':62C 'elev':72C 'function':59C 'inclus':57C 'kernel':66C 'local':74C 'privileg':73C 'sphere':63C 'untrust':61C 'window':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:10+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-2026-96129","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96129","severity":null,"published_at":"2026-11-10T19:22:10+00:00","modified_at":"2026-11-10T19:22:10+00:00","first_seen_at":"2026-11-10T19:25:31+00:00","fetched_at":"2026-11-10T19:25:31+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96129:2547","url":null,"severity":null,"published_at":"2026-11-10T19:45:00+00:00","modified_at":"2026-11-10T19:45:00+00:00","first_seen_at":"2026-11-10T19:45:00+00:00","fetched_at":"2026-11-10T19:45:00+00:00","note":"MSRC page is JS-only (loads empty), NVD page and CVRF API returned nothing; no affected builds, KB or fix readable. Nothing verified. Revisit when MSRC/Patch Tuesday data is available."}],"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"}