{"id":"CVE-2026-122474","kind":"vulnerability","aliases":["CVE-2026-122474"],"related":[],"title":"Windows Security Account Manager race condition lets attackers bypass a security feature","description":"Time-of-check time-of-use (toctou) race condition in Windows Security Account Manager allows an unauthorized attacker to bypass a security feature over a network.","summary":"A time-of-check time-of-use race condition in the Windows Security Account Manager lets an unauthorized attacker bypass a security feature over the network. The sources do not describe the exact feature bypassed or the payoff beyond that.","severity":"medium","cvss":5.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:37+00:00","first_seen_at":"2026-11-10T19:25:11+00:00","triaged_at":"2026-11-10T19:59:57+00:00","updated_at":"2026-11-10T19:59:57+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:59:57Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Security Account Manager race condition lets attackers bypass a security feature","impact":"medium","summary":"A time-of-check time-of-use race condition in the Windows Security Account Manager lets an unauthorized attacker bypass a security feature over the network. The sources do not describe the exact feature bypassed or the payoff beyond that.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker bypasses a Windows security feature over the network","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-122474 to confirm affected Windows versions, fixed builds and the bypassed feature.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Windows systems that run the Security Account Manager are the affected component, and the sources do not say which Windows versions or configurations are exposed. unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000658,"input_tokens":4508,"output_tokens":414,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-122474':15A,18A '-2026':14A,17A 'account':3A,36B,76C 'allow':78C 'attack':8A,41B,81C 'beyond':61B 'bypass':9A,42B,57B,83C 'check':25B,65C 'condit':6A,31B,72C 'cve':13A,16A 'describ':53B 'exact':55B 'featur':12A,45B,56B,86C 'infrastructur':19B 'let':7A,38B 'manag':4A,37B,77C 'network':48B,89C 'payoff':60B 'race':5A,30B,71C 'secur':2A,11A,35B,44B,75C,85C 'sourc':50B 'time':23B,27B,63C,67C 'time-of-check':22B,62C 'time-of-us':26B,66C 'toctou':70C 'unauthor':40B,80C 'use':29B,69C 'window':1A,20B,34B,74C","nicknames":[],"mitigations":[],"who_affected":"Windows systems that run the Security Account Manager are the affected component, and the sources do not say which Windows versions or configurations are exposed. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-122474':15A,18A '-2026':14A,17A 'account':3A 'attack':8A 'bypass':9A 'condit':6A 'cve':13A,16A 'featur':12A 'let':7A 'manag':4A 'race':5A 'secur':2A,11A 'window':1A","search_b":"'account':36B 'attack':41B 'beyond':61B 'bypass':42B,57B 'check':25B 'condit':31B 'describ':53B 'exact':55B 'featur':45B,56B 'infrastructur':19B 'let':38B 'manag':37B 'network':48B 'payoff':60B 'race':30B 'secur':35B,44B 'sourc':50B 'time':23B,27B 'time-of-check':22B 'time-of-us':26B 'unauthor':40B 'use':29B 'window':20B,34B","search_c":"'account':76C 'allow':78C 'attack':81C 'bypass':83C 'check':65C 'condit':72C 'featur':86C 'manag':77C 'network':89C 'race':71C 'secur':75C,85C 'time':63C,67C 'time-of-check':62C 'time-of-us':66C 'toctou':70C 'unauthor':80C 'use':69C 'window':74C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:37+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-122474","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122474","severity":null,"published_at":"2026-11-10T19:20:37+00:00","modified_at":"2026-11-10T19:20:37+00:00","first_seen_at":"2026-11-10T19:25:11+00:00","fetched_at":"2026-11-10T19:25:11+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"}