{"id":"CVE-2026-55261","kind":"vulnerability","aliases":["CVE-2026-55261"],"related":[],"title":"Android NFC stack: missing permission check allows local code execution","description":"In nfa_t4tnfcee_store_rx_buf of nfa_nfcee_act.cc, there is a possible way to achieve code execution due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A missing permission check in the Android NFC code path (nfa_t4tnfcee_store_rx_buf in nfa_nfcee_act.cc) can allow code execution. The description says it leads to local privilege escalation with no extra execution privileges and no user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","nfc"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:44+00:00","first_seen_at":"2026-11-02T20:35:28+00:00","triaged_at":"2026-11-02T20:40:41+00:00","updated_at":"2026-11-02T20:40:41+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T20:40:41Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android NFC stack: missing permission check allows local code execution","impact":"high","summary":"A missing permission check in the Android NFC code path (nfa_t4tnfcee_store_rx_buf in nfa_nfcee_act.cc) can allow code execution. The description says it leads to local privilege escalation with no extra execution privileges and no user interaction.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","nfc"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"local app gains code execution and escalates privileges on device","analyst_note":"Confirm affected Android security bulletin and patched build from the vendor advisory; NVD text alone gives no version ranges.","how_to_check":"- unknown","plain_action":"Install the latest Android security update on your phone, once the manufacturer releases it.","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000607,"input_tokens":4130,"output_tokens":387,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-55261':13A,16A 'achiev':73C 'addit':92C 'allow':7A,38B 'android':1A,17B,26B 'buf':34B,64C 'check':6A,23B,81C 'code':9A,28B,39B,74C 'could':83C 'cve':11A,14A 'descript':42B 'due':76C 'escal':49B,87C 'execut':10A,40B,53B,75C,93C 'exploit':102C 'extra':52B 'infrastructur':18B 'interact':58B,97C 'lead':45B,84C 'local':8A,47B,86C 'miss':4A,21B,79C 'need':95C,100C 'nfa':30B,60C 'nfa_nfcee_act.cc':36B,66C 'nfc':2A,19B,27B 'path':29B 'permiss':5A,22B,80C 'possibl':70C 'privileg':48B,54B,89C,94C 'rx':33B,63C 'say':43B 'stack':3A 'store':32B,62C 't4tnfcee':31B,61C 'user':57B,96C 'way':71C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","infrastructure","nfc","unknown"],"first_public_at":"2026-11-02T20:17:44+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-55261","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55261","severity":null,"published_at":"2026-11-02T20:17:44+00:00","modified_at":"2026-11-02T20:17:44+00:00","first_seen_at":"2026-11-02T20:35:28+00:00","fetched_at":"2026-11-02T20:35:28+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}