{"id":"CVE-2026-112764","kind":"vulnerability","aliases":["CVE-2026-112764"],"related":[],"title":"Windows USB driver: use-after-free lets a local user gain higher privileges","description":"Use after free in Windows USB Driver allows an authorized attacker to elevate privileges locally.","summary":"A memory bug in the Windows USB driver lets an attacker who already has a local account free memory still in use and gain higher privileges. The attacker needs to be authorized on the machine first.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows USB Driver","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","usb","windows"],"not_affected_if":["no-local-logon"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:39+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","triaged_at":"2026-11-10T19:53:46+00:00","updated_at":"2026-11-10T19:53:46+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:53:46Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows USB driver: use-after-free lets a local user gain higher privileges","impact":"high","summary":"A memory bug in the Windows USB driver lets an attacker who already has a local account free memory still in use and gain higher privileges. The attacker needs to be authorized on the machine first.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","usb"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the machine","analyst_note":"Find affected Windows builds and the Microsoft patch in the MSRC advisory for CVE-2026-112764; the NVD entry alone gives no versions.","how_to_check":"unknown","plain_action":"","product_name":"Windows USB Driver","needs_analyst":true,"not_affected_if":["no-local-logon"],"who_is_affected":"Windows machines with the affected USB driver version, where a user already has a local logon. The sources do not name the affected Windows builds, so check against Microsoft's advisory for CVE-2026-112764. Machines with no local users beyond trusted administrators carry less exposure.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000684,"input_tokens":4478,"output_tokens":473,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find affected Windows builds and the Microsoft patch in the MSRC advisory for CVE-2026-112764; the NVD entry alone gives no versions.","search":"'-112764':17A,20A '-2026':16A,19A 'account':43B 'allow':70C 'alreadi':39B 'attack':37B,54B,73C 'author':58B,72C 'bug':29B 'cve':15A,18A 'driver':3A,23A,34B,69C 'elev':75C 'first':62B 'free':7A,44B,65C 'gain':12A,50B 'higher':13A,51B 'infrastructur':24B 'let':8A,35B 'local':10A,42B,77C 'machin':61B 'memori':28B,45B 'need':55B 'privileg':14A,52B,76C 'still':46B 'usb':2A,22A,25B,33B,68C 'use':5A,48B,63C 'use-after-fre':4A 'user':11A 'window':1A,26B,32B,67C 'windows':21A","nicknames":[],"mitigations":[],"who_affected":"Windows machines with the affected USB driver version, where a user already has a local logon. The sources do not name the affected Windows builds, so check against Microsoft's advisory for CVE-2026-112764. Machines with no local users beyond trusted administrators carry less exposure.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["usbdriver","windowsusbdriver"],"ptokens":["driver","usb","windows"],"labels":["high","infrastructure","usb","vendor","windows"],"campaign_type":null,"search_a":"'-112764':17A,20A '-2026':16A,19A 'cve':15A,18A 'driver':3A,23A 'free':7A 'gain':12A 'higher':13A 'let':8A 'local':10A 'privileg':14A 'usb':2A,22A 'use':5A 'use-after-fre':4A 'user':11A 'window':1A 'windows':21A","search_b":"'account':43B 'alreadi':39B 'attack':37B,54B 'author':58B 'bug':29B 'driver':34B 'first':62B 'free':44B 'gain':50B 'higher':51B 'infrastructur':24B 'let':35B 'local':42B 'machin':61B 'memori':28B,45B 'need':55B 'privileg':52B 'still':46B 'usb':25B,33B 'use':48B 'window':26B,32B","search_c":"'allow':70C 'attack':73C 'author':72C 'driver':69C 'elev':75C 'free':65C 'local':77C 'privileg':76C 'usb':68C 'use':63C 'window':67C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:39+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/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-2026-112764","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112764","severity":null,"published_at":"2026-11-10T19:18:39+00:00","modified_at":"2026-11-10T19:18:39+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","fetched_at":"2026-11-10T19:24:32+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"}