{"id":"CVE-2026-20570","kind":"vulnerability","aliases":["CVE-2026-20570"],"related":[],"title":"adsp: use-after-free lets a system-privileged process escalate privileges","description":"In adsp, there is a possible escalation of privilege 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: ALPS11431474; Issue ID: MSV-9926.","summary":"A use-after-free bug in the adsp component can be used for privilege escalation. An attacker must already hold System privilege on the device, and the flaw gives them a further local escalation.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","mediatek"],"not_affected_if":["no-system-privilege-attacker"],"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":0.5,"triage":{"at":"2026-11-02T03:32:23Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"adsp: use-after-free lets a system-privileged process escalate privileges","impact":"high","summary":"A use-after-free bug in the adsp component can be used for privilege escalation. An attacker must already hold System privilege on the device, and the flaw gives them a further local escalation.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","mediatek"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker escalates from System privilege to deeper device control","analyst_note":"Identify affected Android/MediaTek device builds and the patch level that carries ALPS11431474 (MSV-9926) from the NVD entry or the vendor bulletin.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":["no-system-privilege-attacker"],"who_is_affected":"The sources do not name the affected device models or firmware versions. The flaw is local: it needs an attacker who already has System privilege on the device, and no user interaction is needed.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000619,"input_tokens":4097,"output_tokens":419,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-20570':16A,19A '-9926':103C 'actor':83C 'adsp':1A,31B,59C 'alps11431474':99C 'alreadi':42B,85C 'android':20B 'attack':40B 'bug':28B 'compon':32B 'could':73C 'cve':14A,17A 'devic':48B 'due':67C 'escal':12A,38B,57B,64C,77C 'exploit':96C 'flaw':51B 'free':5A,27B,71C 'give':52B 'hold':43B 'id':98C,101C 'infrastructur':21B 'interact':91C 'issu':100C 'lead':74C 'let':6A 'local':56B,76C 'malici':82C 'mediatek':22B 'msv':102C 'must':41B 'need':94C 'obtain':86C 'patch':97C 'possibl':63C 'privileg':10A,13A,37B,45B,66C,79C,89C 'process':11A 'system':9A,44B,88C 'system-privileg':8A 'use':3A,25B,35B,69C 'use-after-fre':2A,24B 'user':90C","nicknames":[],"mitigations":[],"who_affected":"The sources do not name the affected device models or firmware versions. The flaw is local: it needs an attacker who already has System privilege on the device, and no user interaction is needed.","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-2026-20570","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20570","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"}