{"id":"CVE-2026-20575","kind":"vulnerability","aliases":["CVE-2026-20575"],"related":[],"title":"AFE driver: use-after-free lets a System-privileged process corrupt memory","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: ALPS11431394; Issue ID: MSV-9921.","summary":"A use-after-free in the afe component causes memory corruption on the device. An attacker who already holds System privilege can use it to escalate further on the same device.","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":"2026-11-02T03:17:35+00:00","first_seen_at":"2026-11-02T03:31:25+00:00","triaged_at":"2026-11-02T03:32:20+00:00","updated_at":"2026-11-02T03:32:20+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-02T03:32:20Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"AFE driver: use-after-free lets a System-privileged process corrupt memory","impact":"high","summary":"A use-after-free in the afe component causes memory corruption on the device. An attacker who already holds System privilege can use it to escalate further on the same device.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","mediatek"],"confidence":0.4,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker with System privilege escalates to deeper control of the device.","analyst_note":"Identify which vendor bulletin carries Patch ID ALPS11431394 / MSV-9921 and which product versions are fixed.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":["no-system-privilege-attacker"],"who_is_affected":"The description names only the afe component and a Patch ID (ALPS11431394); it does not name affected products or versions. Devices from the vendor that ship this component are the likely scope, but the sources do not confirm which. Exploitation requires an attacker who already has System privilege, so it is a local escalation step, not a remote entry point.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000637,"input_tokens":4091,"output_tokens":455,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':16A,19A '-20575':17A,20A '-9921':100C 'actor':80C 'afe':1A,31B,57C 'alps11431394':96C 'alreadi':42B,82C 'android':21B 'attack':40B 'caus':33B 'compon':32B 'corrupt':13A,35B,63C 'could':70C 'cve':15A,18A 'devic':38B,55B 'driver':2A 'due':64C 'escal':50B,74C 'exploit':93C 'free':6A,28B,68C 'hold':43B 'id':95C,98C 'infrastructur':22B 'interact':88C 'issu':97C 'lead':71C 'let':7A 'local':73C 'malici':79C 'mediatek':23B 'memori':14A,34B,62C 'msv':99C 'need':91C 'obtain':83C 'patch':94C 'possibl':61C 'privileg':11A,45B,76C,86C 'process':12A 'system':10A,44B,85C 'system-privileg':9A 'use':4A,26B,47B,66C 'use-after-fre':3A,25B 'user':87C","nicknames":[],"mitigations":[],"who_affected":"The description names only the afe component and a Patch ID (ALPS11431394); it does not name affected products or versions. Devices from the vendor that ship this component are the likely scope, but the sources do not confirm which. Exploitation requires an attacker who already has System privilege, so it is a local escalation step, not a remote entry point.","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":"2026-11-02T03:17:35+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-20575","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20575","severity":null,"published_at":"2026-11-02T03:17:35+00:00","modified_at":"2026-11-02T03:17:35+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"}