{"id":"CVE-2026-105529","kind":"vulnerability","aliases":["CVE-2026-105529"],"related":[],"title":"Windows Storage: weak authentication lets a local user gain higher privileges","description":"Weak authentication in Windows Storage allows an authorized attacker to elevate privileges locally.","summary":"Windows Storage has weak authentication that lets a user who already has an account on the machine raise their privileges. An attacker who gets this far can act with more rights than they were granted.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows","windows-storage"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:52+00:00","first_seen_at":"2026-11-10T19:24:18+00:00","triaged_at":"2026-11-10T19:54:07+00:00","updated_at":"2026-11-10T19:54:07+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:54:07Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Windows Storage: weak authentication lets a local user gain higher privileges","impact":"high","summary":"Windows Storage has weak authentication that lets a user who already has an account on the machine raise their privileges. An attacker who gets this far can act with more rights than they were granted.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","windows-storage"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated privileges on the Windows machine","analyst_note":"Find the Microsoft Security Update Guide entry for CVE-2026-105529 to confirm affected Windows builds, patch version and any non-default configuration.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Systems running Windows with the affected Windows Storage component are exposed to a local user with valid credentials. The sources do not name the affected Windows builds or whether any non-default setting is required. unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000653,"input_tokens":4478,"output_tokens":411,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft Security Update Guide entry for CVE-2026-105529 to confirm affected Windows builds, patch version and any non-default configuration.","search":"'-105529':14A,17A '-2026':13A,16A 'account':36B 'act':50B 'allow':63C 'alreadi':33B 'attack':44B,66C 'authent':4A,27B,59C 'author':65C 'cve':12A,15A 'elev':68C 'far':48B 'gain':9A 'get':46B 'grant':57B 'higher':10A 'infrastructur':18B 'let':5A,29B 'local':7A,70C 'machin':39B 'privileg':11A,42B,69C 'rais':40B 'right':53B 'storag':2A,22B,24B,62C 'user':8A,31B 'weak':3A,26B,58C 'window':1A,19B,21B,23B,61C 'windows-storag':20B","nicknames":[],"mitigations":[],"who_affected":"Systems running Windows with the affected Windows Storage component are exposed to a local user with valid credentials. The sources do not name the affected Windows builds or whether any non-default setting is required. unknown","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows","windowsstorage"],"campaign_type":null,"search_a":"'-105529':14A,17A '-2026':13A,16A 'authent':4A 'cve':12A,15A 'gain':9A 'higher':10A 'let':5A 'local':7A 'privileg':11A 'storag':2A 'user':8A 'weak':3A 'window':1A","search_b":"'account':36B 'act':50B 'alreadi':33B 'attack':44B 'authent':27B 'far':48B 'get':46B 'grant':57B 'infrastructur':18B 'let':29B 'machin':39B 'privileg':42B 'rais':40B 'right':53B 'storag':22B,24B 'user':31B 'weak':26B 'window':19B,21B,23B 'windows-storag':20B","search_c":"'allow':63C 'attack':66C 'authent':59C 'author':65C 'elev':68C 'local':70C 'privileg':69C 'storag':62C 'weak':58C 'window':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:52+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-2026-105529","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105529","severity":null,"published_at":"2026-11-10T19:17:52+00:00","modified_at":"2026-11-10T19:17:52+00:00","first_seen_at":"2026-11-10T19:24:18+00:00","fetched_at":"2026-11-10T19:24:18+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"}