{"id":"CVE-2026-105574","kind":"vulnerability","aliases":["CVE-2026-105574"],"related":[],"title":"Windows MIDI Service: use-after-free lets a local user gain higher privileges","description":"Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Windows MIDI Service Module lets an attacker who already has a local account raise their privileges. The sources give no further detail on the trigger or the affected Windows builds.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","midi","windows"],"not_affected_if":["no-local-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:59+00:00","first_seen_at":"2026-11-10T19:24:20+00:00","triaged_at":"2026-11-10T19:53:59+00:00","updated_at":"2026-11-10T19:53:59+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:53:59Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows MIDI Service: use-after-free lets a local user gain higher privileges","impact":"high","summary":"A use-after-free bug in the Windows MIDI Service Module lets an attacker who already has a local account raise their privileges. The sources give no further detail on the trigger or the affected Windows builds.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","midi"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"Local user gains elevated system privileges on the Windows machine.","analyst_note":"Find the Microsoft advisory for CVE-2026-105574 to confirm affected Windows builds and the patched update.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-access"],"who_is_affected":"Machines running the Windows MIDI Service Module. An attacker needs a local account first, so shared hosts and multi-user machines carry the most risk. The sources do not list affected builds.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000655,"input_tokens":4484,"output_tokens":414,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft advisory for CVE-2026-105574 to confirm affected Windows builds and the patched update.","search":"'-105574':17A,20A '-2026':16A,19A 'account':44B 'affect':59B 'allow':70C 'alreadi':40B 'attack':38B,73C 'author':72C 'bug':29B 'build':61B 'cve':15A,18A 'detail':53B 'elev':75C 'free':7A,28B,64C 'gain':12A 'give':50B 'higher':13A 'infrastructur':21B 'let':8A,36B 'local':10A,43B,77C 'midi':2A,22B,33B,67C 'modul':35B,69C 'privileg':14A,47B,76C 'rais':45B 'servic':3A,34B,68C 'sourc':49B 'trigger':56B 'use':5A,26B,62C 'use-after-fre':4A,25B 'user':11A 'window':1A,23B,32B,60B,66C","nicknames":[],"mitigations":[],"who_affected":"Machines running the Windows MIDI Service Module. An attacker needs a local account first, so shared hosts and multi-user machines carry the most risk. The sources do not list affected builds.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","midi","windows"],"campaign_type":null,"search_a":"'-105574':17A,20A '-2026':16A,19A 'cve':15A,18A 'free':7A 'gain':12A 'higher':13A 'let':8A 'local':10A 'midi':2A 'privileg':14A 'servic':3A 'use':5A 'use-after-fre':4A 'user':11A 'window':1A","search_b":"'account':44B 'affect':59B 'alreadi':40B 'attack':38B 'bug':29B 'build':61B 'detail':53B 'free':28B 'give':50B 'infrastructur':21B 'let':36B 'local':43B 'midi':22B,33B 'modul':35B 'privileg':47B 'rais':45B 'servic':34B 'sourc':49B 'trigger':56B 'use':26B 'use-after-fre':25B 'window':23B,32B,60B","search_c":"'allow':70C 'attack':73C 'author':72C 'elev':75C 'free':64C 'local':77C 'midi':67C 'modul':69C 'privileg':76C 'servic':68C 'use':62C 'window':66C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:59+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105574","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105574","severity":null,"published_at":"2026-11-10T19:17:59+00:00","modified_at":"2026-11-10T19:18:00+00:00","first_seen_at":"2026-11-10T19:24:20+00:00","fetched_at":"2026-11-10T19:24:20+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"}