{"id":"CVE-2026-20571","kind":"vulnerability","aliases":["CVE-2026-20571"],"related":[],"title":"Android afe driver: use-after-free lets a local process escalate privilege","description":"In afe, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11434319; Issue ID: MSV-9925.","summary":"A use-after-free flaw in the afe component causes memory corruption. An attacker who already holds System privilege can use it to escalate privilege further.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","mediatek"],"not_affected_if":["no-system-privilege-compromise"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T03:17:34+00:00","first_seen_at":"2026-11-02T03:31:25+00:00","triaged_at":"2026-11-02T03:32:23+00:00","updated_at":"2026-11-02T03:32:23+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-02T03:32:23Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Android afe driver: use-after-free lets a local process escalate privilege","impact":"medium","summary":"A use-after-free flaw in the afe component causes memory corruption. An attacker who already holds System privilege can use it to escalate privilege further.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","mediatek"],"confidence":0.4,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker already holding System privilege gains further privilege on the device","analyst_note":"Confirm which devices and Android security bulletin month carry Patch ID ALPS11434319 and the fixed build, from the NVD entry or vendor bulletin.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":["no-system-privilege-compromise"],"who_is_affected":"The description names only the afe component and a Patch ID (ALPS11434319); it does not name the device models or Android versions affected. Exploitation requires an attacker already holding System privilege, so it is a local escalation rather than a remote entry point. unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000628,"input_tokens":4091,"output_tokens":437,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-20571':16A,19A '-9925':93C 'actor':73C 'afe':2A,31B,50C 'alps11434319':89C 'alreadi':39B,75C 'android':1A,20B 'attack':37B 'caus':33B 'compon':32B 'corrupt':35B,56C 'could':63C 'cve':14A,17A 'driver':3A 'due':57C 'escal':12A,47B,67C 'exploit':86C 'flaw':28B 'free':7A,27B,61C 'hold':40B 'id':88C,91C 'infrastructur':21B 'interact':81C 'issu':90C 'lead':64C 'let':8A 'local':10A,66C 'malici':72C 'mediatek':22B 'memori':34B,55C 'msv':92C 'need':84C 'obtain':76C 'patch':87C 'possibl':54C 'privileg':13A,42B,48B,69C,79C 'process':11A 'system':41B,78C 'use':5A,25B,44B,59C 'use-after-fre':4A,24B 'user':80C","nicknames":[],"mitigations":[],"who_affected":"The description names only the afe component and a Patch ID (ALPS11434319); it does not name the device models or Android versions affected. Exploitation requires an attacker already holding System privilege, so it is a local escalation rather than a remote entry point. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","infrastructure","mediatek","unknown"],"first_public_at":"2026-11-02T03:17:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-20571","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20571","severity":null,"published_at":"2026-11-02T03:17:34+00:00","modified_at":"2026-11-02T03:17:34+00:00","first_seen_at":"2026-11-02T03:31:25+00:00","fetched_at":"2026-11-02T03:31:25+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"}