{"id":"CVE-2026-56933","kind":"vulnerability","aliases":["CVE-2026-56933"],"related":[],"title":"Android audio driver: buffer overflow in RecordApTx allows local privilege escalation","description":"In RecordApTx of efw_ap_transport.c, there is a possible Non-Heap Buffer Overflow due to a buffer overflow. This could lead to local escalation of privilege with execution privileges needed. User interaction is for exploitation.","summary":"A buffer overflow in the RecordApTx function of efw_ap_transport.c lets code that already runs on the device write past a non-heap buffer. An attacker who can run code locally could escalate privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","kernel-driver"],"not_affected_if":["unknown"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:15+00:00","first_seen_at":"2026-11-10T20:46:07+00:00","triaged_at":"2026-11-10T20:53:46+00:00","updated_at":"2026-11-10T20:53:46+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T20:53:46Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android audio driver: buffer overflow in RecordApTx allows local privilege escalation","impact":"high","summary":"A buffer overflow in the RecordApTx function of efw_ap_transport.c lets code that already runs on the device write past a non-heap buffer. An attacker who can run code locally could escalate privileges.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","kernel-driver"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local code gains elevated privileges on the device","analyst_note":"Identify the affected product and driver version from the NVD entry and the vendor bulletin for CVE-2026-56933, and confirm the fixed patch level.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"The sources do not say which products or driver versions ship this code, and do not name a fixed version. Only devices running the affected component are exposed, and exploitation requires local code execution and user interaction.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000665,"input_tokens":4536,"output_tokens":423,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-56933':14A,17A 'allow':8A 'alreadi':37B 'android':1A,18B 'ap':32B,63C 'attack':50B 'audio':2A 'buffer':4A,24B,48B,72C,77C 'code':35B,54B 'could':56B,80C 'cve':12A,15A 'devic':41B 'driver':3A,22B 'due':74C 'efw':31B,62C 'escal':11A,57B,84C 'execut':88C 'exploit':95C 'function':29B 'heap':47B,71C 'infrastructur':19B 'interact':92C 'kernel':21B 'kernel-driv':20B 'lead':81C 'let':34B 'local':9A,55B,83C 'need':90C 'non':46B,70C 'non-heap':45B,69C 'overflow':5A,25B,73C,78C 'past':43B 'possibl':68C 'privileg':10A,58B,86C,89C 'recordaptx':7A,28B,60C 'run':38B,53B 'transport.c':33B,64C 'user':91C 'write':42B","nicknames":[],"mitigations":[],"who_affected":"The sources do not say which products or driver versions ship this code, and do not name a fixed version. Only devices running the affected component are exposed, and exploitation requires local code execution and user interaction.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","infrastructure","kerneldriver","unknown"],"campaign_type":null,"search_a":"'-2026':13A,16A '-56933':14A,17A 'allow':8A 'android':1A 'audio':2A 'buffer':4A 'cve':12A,15A 'driver':3A 'escal':11A 'local':9A 'overflow':5A 'privileg':10A 'recordaptx':7A","search_b":"'alreadi':37B 'android':18B 'ap':32B 'attack':50B 'buffer':24B,48B 'code':35B,54B 'could':56B 'devic':41B 'driver':22B 'efw':31B 'escal':57B 'function':29B 'heap':47B 'infrastructur':19B 'kernel':21B 'kernel-driv':20B 'let':34B 'local':55B 'non':46B 'non-heap':45B 'overflow':25B 'past':43B 'privileg':58B 'recordaptx':28B 'run':38B,53B 'transport.c':33B 'write':42B","search_c":"'ap':63C 'buffer':72C,77C 'could':80C 'due':74C 'efw':62C 'escal':84C 'execut':88C 'exploit':95C 'heap':71C 'interact':92C 'lead':81C 'local':83C 'need':90C 'non':70C 'non-heap':69C 'overflow':73C,78C 'possibl':68C 'privileg':86C,89C 'recordaptx':60C 'transport.c':64C 'user':91C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-56933","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56933","severity":null,"published_at":"2026-11-10T20:19:15+00:00","modified_at":"2026-11-10T20:19:15+00:00","first_seen_at":"2026-11-10T20:46:07+00:00","fetched_at":"2026-11-10T20:46:07+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"}