{"id":"CVE-2026-48479","kind":"vulnerability","aliases":["CVE-2026-48479"],"related":[],"title":"AMD Graphics Driver: uninitialized state lets a local user write out of bounds","description":"Use of uninitialized or invalid state in AMD Graphics Driver could allow a local attacker to write out of bounds, potentially resulting in loss of integrity or denial of service.","summary":"AMD's graphics driver uses uninitialized or invalid state, so a local attacker can write memory out of bounds. The result can be lost data integrity or a denial of service.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["amd","graphics-driver","infrastructure","windows"],"not_affected_if":["no-local-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-11T14:17:41+00:00","first_seen_at":"2026-11-11T14:27:32+00:00","triaged_at":"2026-11-11T14:29:20+00:00","updated_at":"2026-11-11T14:29:20+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-11T14:29:20Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"AMD Graphics Driver: uninitialized state lets a local user write out of bounds","impact":"medium","summary":"AMD's graphics driver uses uninitialized or invalid state, so a local attacker can write memory out of bounds. The result can be lost data integrity or a denial of service.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["amd","graphics-driver","windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local user corrupts kernel memory, crashes system","analyst_note":"Find AMD security bulletin for affected and fixed driver versions and whether attacker needs privileges; NVD URL https://nvd.nist.gov/vuln/detail/CVE-2026-48479","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-users"],"who_is_affected":"Machines running an affected AMD Graphics Driver version; the flaw needs a local account on the machine. The sources do not list affected driver versions. unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000666,"input_tokens":4516,"output_tokens":429,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-48479':16A,19A 'allow':68C 'amd':1A,20B,26B,64C 'attack':38B,71C 'bound':13A,44B,76C 'could':67C 'cve':14A,17A 'data':50B 'denial':54B,84C 'driver':3A,23B,29B,66C 'graphic':2A,22B,28B,65C 'graphics-driv':21B 'infrastructur':24B 'integr':51B,82C 'invalid':33B,61C 'let':6A 'local':8A,37B,70C 'loss':80C 'lost':49B 'memori':41B 'potenti':77C 'result':46B,78C 'servic':56B,86C 'state':5A,34B,62C 'uniniti':4A,31B,59C 'use':30B,57C 'user':9A 'window':25B 'write':10A,40B,73C","nicknames":[],"mitigations":[],"who_affected":"Machines running an affected AMD Graphics Driver version; the flaw needs a local account on the machine. The sources do not list affected driver versions. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["amd","graphicsdriver","infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-2026':15A,18A '-48479':16A,19A 'amd':1A 'bound':13A 'cve':14A,17A 'driver':3A 'graphic':2A 'let':6A 'local':8A 'state':5A 'uniniti':4A 'user':9A 'write':10A","search_b":"'amd':20B,26B 'attack':38B 'bound':44B 'data':50B 'denial':54B 'driver':23B,29B 'graphic':22B,28B 'graphics-driv':21B 'infrastructur':24B 'integr':51B 'invalid':33B 'local':37B 'lost':49B 'memori':41B 'result':46B 'servic':56B 'state':34B 'uniniti':31B 'use':30B 'window':25B 'write':40B","search_c":"'allow':68C 'amd':64C 'attack':71C 'bound':76C 'could':67C 'denial':84C 'driver':66C 'graphic':65C 'integr':82C 'invalid':61C 'local':70C 'loss':80C 'potenti':77C 'result':78C 'servic':86C 'state':62C 'uniniti':59C 'use':57C 'write':73C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T14:17:41+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"psirt@amd.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-48479","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48479","severity":null,"published_at":"2026-11-11T14:17:41+00:00","modified_at":"2026-11-11T14:17:41+00:00","first_seen_at":"2026-11-11T14:27:32+00:00","fetched_at":"2026-11-11T14:27:32+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}