{"id":"CVE-2026-20591","kind":"vulnerability","aliases":["CVE-2026-20591"],"related":[],"title":"GPU pdma driver: missing permission check allows local privilege escalation","description":"In GPU pdma, there is a possible escalation of privilege 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. Patch ID: ALPS11365075; Issue ID: MSV-9546.","summary":"A missing permission check in the GPU pdma component lets a local user gain elevated privileges. The description says no extra execution privileges are needed and no user interaction is required.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","gpu-driver","infrastructure"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T03:17:36+00:00","first_seen_at":"2026-11-02T03:31:26+00:00","triaged_at":"2026-11-02T03:32:09+00:00","updated_at":"2026-11-02T03:32:09+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-02T03:32:09Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"GPU pdma driver: missing permission check allows local privilege escalation","impact":"high","summary":"A missing permission check in the GPU pdma component lets a local user gain elevated privileges. The description says no extra execution privileges are needed and no user interaction is required.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["gpu-driver","android"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local user gains elevated privileges on the device","analyst_note":"Identify affected products and fixed versions for the MediaTek patch ID ALPS11365075 and issue MSV-9546 from the vendor bulletin.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"The sources describe a local escalation of privilege in a GPU driver component (pdma) with a patch ID but do not name affected products or versions. Teams running devices with the affected GPU driver should check with their device or chipset vendor. unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000618,"input_tokens":4103,"output_tokens":416,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-20591':13A,16A '-9546':96C 'addit':79C 'allow':7A 'alps11365075':92C 'android':17B 'check':6A,25B,68C 'compon':30B 'could':70C 'cve':11A,14A 'descript':39B 'driver':3A,20B 'due':63C 'elev':36B 'escal':10A,60C,74C 'execut':43B,80C 'exploit':89C 'extra':42B 'gain':35B 'gpu':1A,19B,28B,54C 'gpu-driv':18B 'id':91C,94C 'infrastructur':21B 'interact':50B,84C 'issu':93C 'lead':71C 'let':31B 'local':8A,33B,73C 'miss':4A,23B,66C 'msv':95C 'need':46B,82C,87C 'patch':90C 'pdma':2A,29B,55C 'permiss':5A,24B,67C 'possibl':59C 'privileg':9A,37B,44B,62C,76C,81C 'requir':52B 'say':40B 'user':34B,49B,83C","nicknames":[],"mitigations":[],"who_affected":"The sources describe a local escalation of privilege in a GPU driver component (pdma) with a patch ID but do not name affected products or versions. Teams running devices with the affected GPU driver should check with their device or chipset vendor. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","gpudriver","infrastructure","unknown"],"first_public_at":"2026-11-02T03:17:36+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-20591","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20591","severity":null,"published_at":"2026-11-02T03:17:36+00:00","modified_at":"2026-11-02T03:17:36+00:00","first_seen_at":"2026-11-02T03:31:26+00:00","fetched_at":"2026-11-02T03:31:26+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"}