{"id":"CVE-2026-105534","kind":"vulnerability","aliases":["CVE-2026-105534"],"related":[],"title":"Windows Storage: heap overflow lets a network attacker run code","description":"Heap-based buffer overflow in Windows Storage allows an unauthorized attacker to execute code over a network.","summary":"A heap-based buffer overflow in Windows Storage can be triggered over a network without authentication. A successful attacker could execute code on the affected Windows machine.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Storage","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:54+00:00","first_seen_at":"2026-11-10T19:24:18+00:00","triaged_at":"2026-11-10T19:34:05+00:00","updated_at":"2026-11-10T19:34:05+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:34:05Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Storage: heap overflow lets a network attacker run code","impact":"high","summary":"A heap-based buffer overflow in Windows Storage can be triggered over a network without authentication. A successful attacker could execute code on the affected Windows machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs code on the Windows machine over the network","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-105534 for affected versions, fixed builds and mitigations; the NVD record alone gives none.","how_to_check":"unknown","plain_action":"","product_name":"Windows Storage","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Windows systems running the affected Windows Storage component are exposed to network-triggered code execution. The sources do not state which Windows versions or configurations are affected, so unknown.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000659,"input_tokens":4488,"output_tokens":420,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-105534 for affected versions, fixed builds and mitigations; the NVD record alone gives none.","search":"'-105534':13A,16A '-2026':12A,15A 'affect':46B 'allow':57C 'attack':8A,40B,60C 'authent':37B 'base':24B,51C 'buffer':25B,52C 'code':10A,43B,63C 'could':41B 'cve':11A,14A 'execut':42B,62C 'heap':3A,23B,50C 'heap-bas':22B,49C 'infrastructur':19B 'let':5A 'machin':48B 'network':7A,35B,66C 'overflow':4A,26B,53C 'run':9A 'storag':2A,29B,56C 'storage':18A 'success':39B 'trigger':32B 'unauthor':59C 'window':1A,20B,28B,47B,55C 'windows':17A 'without':36B","nicknames":[],"mitigations":[],"who_affected":"Windows systems running the affected Windows Storage component are exposed to network-triggered code execution. The sources do not state which Windows versions or configurations are affected, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["storage","windowsstorage"],"ptokens":["storage","windows"],"labels":["high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-105534':13A,16A '-2026':12A,15A 'attack':8A 'code':10A 'cve':11A,14A 'heap':3A 'let':5A 'network':7A 'overflow':4A 'run':9A 'storag':2A 'storage':18A 'window':1A 'windows':17A","search_b":"'affect':46B 'attack':40B 'authent':37B 'base':24B 'buffer':25B 'code':43B 'could':41B 'execut':42B 'heap':23B 'heap-bas':22B 'infrastructur':19B 'machin':48B 'network':35B 'overflow':26B 'storag':29B 'success':39B 'trigger':32B 'window':20B,28B,47B 'without':36B","search_c":"'allow':57C 'attack':60C 'base':51C 'buffer':52C 'code':63C 'execut':62C 'heap':50C 'heap-bas':49C 'network':66C 'overflow':53C 'storag':56C 'unauthor':59C 'window':55C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105534","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105534","severity":null,"published_at":"2026-11-10T19:17:54+00:00","modified_at":"2026-11-10T19:17:54+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"}