{"id":"CVE-2026-20567","kind":"vulnerability","aliases":["CVE-2026-20567"],"related":[],"title":"Android AFE driver: out-of-bounds write lets system-level code escalate privileges","description":"In afe, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11431394; Issue ID: MSV-10004.","summary":"A missing bounds check in the afe component allows an out-of-bounds write. An attacker who already holds System privilege can use it to escalate privilege locally.","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":"2026-11-02T03:32:26+00:00","updated_at":"2026-11-02T03:32:26+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T03:32:26Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android AFE driver: out-of-bounds write lets system-level code escalate privileges","impact":"high","summary":"A missing bounds check in the afe component allows an out-of-bounds write. An attacker who already holds System privilege can use it to escalate privilege locally.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","mediatek"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker with System privilege gains further local privilege escalation.","analyst_note":"Identify affected devices and the vendor patch level for ALPS11431394 / MSV-10004; the NVD entry alone does not name them.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":["no-system-privilege-attacker"],"who_is_affected":"The sources describe a local escalation that needs an attacker who already has System privilege, with no user interaction. They do not name affected device models, Android versions or the patch level that fixes it, so this cannot be confirmed from the sources. Teams running fleets of affected Android devices should check vendor bulletins for the patch ID ALPS11431394.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00064,"input_tokens":4101,"output_tokens":460,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-10004':101C '-2026':17A,20A '-20567':18A,21A 'actor':81C 'afe':2A,31B,55C 'allow':33B 'alps11431394':97C 'alreadi':43B,83C 'android':1A,22B 'attack':41B 'bound':7A,27B,38B,62C,68C 'check':28B,69C 'code':13A 'compon':32B 'could':71C 'cve':16A,19A 'driver':3A 'due':64C 'escal':14A,51B,75C 'exploit':94C 'hold':44B 'id':96C,99C 'infrastructur':23B 'interact':89C 'issu':98C 'lead':72C 'let':9A 'level':12A 'local':53B,74C 'malici':80C 'mediatek':24B 'miss':26B,67C 'msv':100C 'need':92C 'obtain':84C 'out-of-bound':4A,35B 'patch':95C 'possibl':59C 'privileg':15A,46B,52B,77C,87C 'system':11A,45B,86C 'system-level':10A 'use':48B 'user':88C 'write':8A,39B,63C","nicknames":[],"mitigations":[],"who_affected":"The sources describe a local escalation that needs an attacker who already has System privilege, with no user interaction. They do not name affected device models, Android versions or the patch level that fixes it, so this cannot be confirmed from the sources. Teams running fleets of affected Android devices should check vendor bulletins for the patch ID ALPS11431394.","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-2026-20567","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20567","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"}