{"id":"CVE-2026-119872","kind":"vulnerability","aliases":["CVE-2026-119872"],"related":[],"title":"Windows USB Driver: heap overflow lets a physical attacker gain elevated privileges","description":"Heap-based buffer overflow in Windows USB Driver allows an unauthorized attacker to elevate privileges with a physical attack.","summary":"A heap-based buffer overflow in the Windows USB driver can be triggered by an attacker with physical access to the machine. A successful attack lets them elevate privileges on the system.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","usb","windows"],"not_affected_if":["no-physical-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:06+00:00","first_seen_at":"2026-11-10T19:25:00+00:00","triaged_at":"2026-11-10T19:58:19+00:00","updated_at":"2026-11-10T19:58:19+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:58:19Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows USB Driver: heap overflow lets a physical attacker gain elevated privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows USB driver can be triggered by an attacker with physical access to the machine. A successful attack lets them elevate privileges on the system.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","usb"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker gains elevated privileges on the local Windows machine","analyst_note":"Check the NVD entry and Microsoft's security update guide for affected Windows builds, the fixed versions, and any mitigation for this USB driver flaw.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-physical-access"],"who_is_affected":"Systems running Windows with the USB driver in question and an attacker with physical access to plug in a device. The sources do not state which Windows builds are affected or which versions are fixed. Systems where physical access is controlled may be lower risk.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000669,"input_tokens":4502,"output_tokens":438,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119872':15A,18A '-2026':14A,17A 'access':41B 'allow':64C 'attack':9A,38B,47B,67C,74C 'base':25B,57C 'buffer':26B,58C 'cve':13A,16A 'driver':3A,32B,63C 'elev':11A,50B,69C 'gain':10A 'heap':4A,24B,56C 'heap-bas':23B,55C 'infrastructur':19B 'let':6A,48B 'machin':44B 'overflow':5A,27B,59C 'physic':8A,40B,73C 'privileg':12A,51B,70C 'success':46B 'system':54B 'trigger':35B 'unauthor':66C 'usb':2A,20B,31B,62C 'window':1A,21B,30B,61C","nicknames":[],"mitigations":[],"who_affected":"Systems running Windows with the USB driver in question and an attacker with physical access to plug in a device. The sources do not state which Windows builds are affected or which versions are fixed. Systems where physical access is controlled may be lower risk.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","medium","usb","windows"],"campaign_type":null,"search_a":"'-119872':15A,18A '-2026':14A,17A 'attack':9A 'cve':13A,16A 'driver':3A 'elev':11A 'gain':10A 'heap':4A 'let':6A 'overflow':5A 'physic':8A 'privileg':12A 'usb':2A 'window':1A","search_b":"'access':41B 'attack':38B,47B 'base':25B 'buffer':26B 'driver':32B 'elev':50B 'heap':24B 'heap-bas':23B 'infrastructur':19B 'let':48B 'machin':44B 'overflow':27B 'physic':40B 'privileg':51B 'success':46B 'system':54B 'trigger':35B 'usb':20B,31B 'window':21B,30B","search_c":"'allow':64C 'attack':67C,74C 'base':57C 'buffer':58C 'driver':63C 'elev':69C 'heap':56C 'heap-bas':55C 'overflow':59C 'physic':73C 'privileg':70C 'unauthor':66C 'usb':62C 'window':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:06+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:P/AC:H/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-2026-119872","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119872","severity":null,"published_at":"2026-11-10T19:20:06+00:00","modified_at":"2026-11-10T19:20:06+00:00","first_seen_at":"2026-11-10T19:25:00+00:00","fetched_at":"2026-11-10T19:25:00+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"}