{"id":"CVE-2026-70120","kind":"vulnerability","aliases":["CVE-2026-70120"],"related":[],"title":"Microsoft Bluetooth Driver: use-after-free lets a local user gain higher privileges","description":"Use after free in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Microsoft Bluetooth driver lets an attacker who already has a local account raise their privileges. The sources do not say how the attacker triggers it.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft Bluetooth Driver","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["bluetooth","infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:20+00:00","first_seen_at":"2026-11-10T19:25:17+00:00","triaged_at":"2026-11-10T19:50:08+00:00","updated_at":"2026-11-10T19:50:08+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:50:08Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Microsoft Bluetooth Driver: use-after-free lets a local user gain higher privileges","impact":"high","summary":"A use-after-free bug in the Microsoft Bluetooth driver lets an attacker who already has a local account raise their privileges. The sources do not say how the attacker triggers it.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","bluetooth"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated system privileges on the machine","analyst_note":"Find the affected Windows builds and the Microsoft patch in the MSRC advisory for CVE-2026-70120; the NVD entry gives no ranges.","how_to_check":"unknown","plain_action":"","product_name":"Microsoft Bluetooth Driver","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Windows machines with the Microsoft Bluetooth driver are the affected systems, and the attacker needs an authorized local account first. The sources do not name affected builds or describe a configuration that changes exposure.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000678,"input_tokens":4490,"output_tokens":458,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the affected Windows builds and the Microsoft patch in the MSRC advisory for CVE-2026-70120; the NVD entry gives no ranges.","search":"'-2026':16A,19A '-70120':17A,20A 'account':46B 'allow':66C 'alreadi':42B 'attack':40B,57B,69C 'author':68C 'bluetooth':2A,22A,24B,36B,64C 'bug':32B 'cve':15A,18A 'driver':3A,23A,37B,65C 'elev':71C 'free':7A,31B,61C 'gain':12A 'higher':13A 'infrastructur':25B 'let':8A,38B 'local':10A,45B,73C 'microsoft':1A,21A,35B,63C 'privileg':14A,49B,72C 'rais':47B 'say':54B 'sourc':51B 'trigger':58B 'use':5A,29B,59C 'use-after-fre':4A,28B 'user':11A 'window':26B","nicknames":[],"mitigations":[],"who_affected":"Windows machines with the Microsoft Bluetooth driver are the affected systems, and the attacker needs an authorized local account first. The sources do not name affected builds or describe a configuration that changes exposure.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["bluetoothdriver","microsoftbluetoothdriver"],"ptokens":["bluetooth","driver","microsoft"],"labels":["bluetooth","high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-2026':16A,19A '-70120':17A,20A 'bluetooth':2A,22A 'cve':15A,18A 'driver':3A,23A 'free':7A 'gain':12A 'higher':13A 'let':8A 'local':10A 'microsoft':1A,21A 'privileg':14A 'use':5A 'use-after-fre':4A 'user':11A","search_b":"'account':46B 'alreadi':42B 'attack':40B,57B 'bluetooth':24B,36B 'bug':32B 'driver':37B 'free':31B 'infrastructur':25B 'let':38B 'local':45B 'microsoft':35B 'privileg':49B 'rais':47B 'say':54B 'sourc':51B 'trigger':58B 'use':29B 'use-after-fre':28B 'window':26B","search_c":"'allow':66C 'attack':69C 'author':68C 'bluetooth':64C 'driver':65C 'elev':71C 'free':61C 'local':73C 'microsoft':63C 'privileg':72C 'use':59C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:20+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-2026-70120","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70120","severity":null,"published_at":"2026-11-10T19:21:20+00:00","modified_at":"2026-11-10T19:21:20+00:00","first_seen_at":"2026-11-10T19:25:17+00:00","fetched_at":"2026-11-10T19:25:17+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"}