{"id":"CVE-2026-95902","kind":"vulnerability","aliases":["CVE-2026-95902"],"related":[],"title":"Windows USB Hub Driver: heap overflow lets a local user gain system privileges","description":"Heap-based buffer overflow in Windows USB Hub Driver allows an authorized attacker to elevate privileges locally.","summary":"A heap-based buffer overflow in the Windows USB Hub Driver lets an already-authorized local user corrupt memory in the kernel driver. The sources say this lets that attacker elevate their privileges on the machine.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows USB Hub Driver","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["endpoints","infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:43+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","triaged_at":"2026-11-10T19:38:20+00:00","updated_at":"2026-11-10T19:38:20+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:38:20Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows USB Hub Driver: heap overflow lets a local user gain system privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows USB Hub Driver lets an already-authorized local user corrupt memory in the kernel driver. The sources say this lets that attacker elevate their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","endpoints"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the Windows machine","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-95902 for affected Windows builds and the patch KB.","how_to_check":"unknown","plain_action":"","product_name":"Windows USB Hub Driver","needs_analyst":true,"not_affected_if":[],"who_is_affected":"The flaw is in the Windows USB hub driver, so any Windows machine with that driver could be affected; the attacker must already have a local, authorized foothold. The sources do not list affected Windows builds or whether a patch is out, so unknown.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000685,"input_tokens":4498,"output_tokens":471,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-95902 for affected Windows builds and the patch KB.","search":"'-2026':15A,18A '-95902':16A,19A 'allow':75C 'alreadi':42B 'already-author':41B 'attack':58B,78C 'author':43B,77C 'base':30B,67C 'buffer':31B,68C 'corrupt':46B 'cve':14A,17A 'driver':4A,23A,38B,51B,74C 'elev':59B,80C 'endpoint':24B 'gain':11A 'heap':5A,29B,66C 'heap-bas':28B,65C 'hub':3A,22A,37B,73C 'infrastructur':25B 'kernel':50B 'let':7A,39B,56B 'local':9A,44B,82C 'machin':64B 'memori':47B 'overflow':6A,32B,69C 'privileg':13A,61B,81C 'say':54B 'sourc':53B 'system':12A 'usb':2A,21A,36B,72C 'user':10A,45B 'window':1A,26B,35B,71C 'windows':20A","nicknames":[],"mitigations":[],"who_affected":"The flaw is in the Windows USB hub driver, so any Windows machine with that driver could be affected; the attacker must already have a local, authorized foothold. The sources do not list affected Windows builds or whether a patch is out, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["usbhubdriver","windowsusbhubdriver"],"ptokens":["driver","hub","usb","windows"],"labels":["endpoints","high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-2026':15A,18A '-95902':16A,19A 'cve':14A,17A 'driver':4A,23A 'gain':11A 'heap':5A 'hub':3A,22A 'let':7A 'local':9A 'overflow':6A 'privileg':13A 'system':12A 'usb':2A,21A 'user':10A 'window':1A 'windows':20A","search_b":"'alreadi':42B 'already-author':41B 'attack':58B 'author':43B 'base':30B 'buffer':31B 'corrupt':46B 'driver':38B,51B 'elev':59B 'endpoint':24B 'heap':29B 'heap-bas':28B 'hub':37B 'infrastructur':25B 'kernel':50B 'let':39B,56B 'local':44B 'machin':64B 'memori':47B 'overflow':32B 'privileg':61B 'say':54B 'sourc':53B 'usb':36B 'user':45B 'window':26B,35B","search_c":"'allow':75C 'attack':78C 'author':77C 'base':67C 'buffer':68C 'driver':74C 'elev':80C 'heap':66C 'heap-bas':65C 'hub':73C 'local':82C 'overflow':69C 'privileg':81C 'usb':72C 'window':71C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:43+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-2026-95902","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95902","severity":null,"published_at":"2026-11-10T19:21:43+00:00","modified_at":"2026-11-10T19:21:43+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","fetched_at":"2026-11-10T19:25:23+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"}