{"id":"CVE-2026-112803","kind":"vulnerability","aliases":["CVE-2026-112803"],"related":[],"title":"Windows Cloud Files Mini Filter Driver: local attacker can disclose information","description":"Improper access control in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.","summary":"Windows Cloud Files Mini Filter Driver, the component behind OneDrive-style placeholder files, has an improper access control flaw. An authorized local user can read information they should not be able to see.","severity":"medium","cvss":5.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["cloud-files","infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:42+00:00","first_seen_at":"2026-11-10T19:24:33+00:00","triaged_at":"2026-11-10T20:02:09+00:00","updated_at":"2026-11-10T20:02:09+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:02:09Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Cloud Files Mini Filter Driver: local attacker can disclose information","impact":"low","summary":"Windows Cloud Files Mini Filter Driver, the component behind OneDrive-style placeholder files, has an improper access control flaw. An authorized local user can read information they should not be able to see.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","cloud-files"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user reads information they should not access","analyst_note":"Find the Microsoft advisory for CVE-2026-112803 to confirm affected Windows builds and the patch.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000621,"input_tokens":4495,"output_tokens":344,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-112803':14A,17A '-2026':13A,16A 'abl':54B 'access':40B,58C 'allow':67C 'attack':8A,70C 'author':44B,69C 'behind':31B 'cloud':2A,19B,24B,62C 'cloud-fil':18B 'compon':30B 'control':41B,59C 'cve':12A,15A 'disclos':10A,72C 'driver':6A,28B,66C 'file':3A,20B,25B,36B,63C 'filter':5A,27B,65C 'flaw':42B 'improp':39B,57C 'inform':11A,49B,73C 'infrastructur':21B 'local':7A,45B,74C 'mini':4A,26B,64C 'onedr':33B 'onedrive-styl':32B 'placehold':35B 'read':48B 'see':56B 'style':34B 'user':46B 'window':1A,22B,23B,61C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["cloudfiles","infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-112803':14A,17A '-2026':13A,16A 'attack':8A 'cloud':2A 'cve':12A,15A 'disclos':10A 'driver':6A 'file':3A 'filter':5A 'inform':11A 'local':7A 'mini':4A 'window':1A","search_b":"'abl':54B 'access':40B 'author':44B 'behind':31B 'cloud':19B,24B 'cloud-fil':18B 'compon':30B 'control':41B 'driver':28B 'file':20B,25B,36B 'filter':27B 'flaw':42B 'improp':39B 'inform':49B 'infrastructur':21B 'local':45B 'mini':26B 'onedr':33B 'onedrive-styl':32B 'placehold':35B 'read':48B 'see':56B 'style':34B 'user':46B 'window':22B,23B","search_c":"'access':58C 'allow':67C 'attack':70C 'author':69C 'cloud':62C 'control':59C 'disclos':72C 'driver':66C 'file':63C 'filter':65C 'improp':57C 'inform':73C 'local':74C 'mini':64C 'window':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:42+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112803","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112803","severity":null,"published_at":"2026-11-10T19:18:42+00:00","modified_at":"2026-11-10T19:18:42+00:00","first_seen_at":"2026-11-10T19:24:33+00:00","fetched_at":"2026-11-10T19:24:33+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"}