{"id":"CVE-2026-112966","kind":"vulnerability","aliases":["CVE-2026-112966"],"related":[],"title":"Windows Security Account Manager: unauthenticated network attacker can deny service","description":"Uncontrolled resource consumption in Windows Security Account Manager allows an unauthorized attacker to deny service over a network.","summary":"Windows Security Account Manager, the component that stores local account data, consumes resources without limit. An unauthorized attacker on the network can make the service unavailable.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Security Account Manager","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows","windows-server"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:46+00:00","first_seen_at":"2026-11-10T19:24:34+00:00","triaged_at":"2026-11-10T19:45:10+00:00","updated_at":"2026-11-10T19:45:10+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:45:10Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Security Account Manager: unauthenticated network attacker can deny service","impact":"low","summary":"Windows Security Account Manager, the component that stores local account data, consumes resources without limit. An unauthorized attacker on the network can make the service unavailable.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","windows-server"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Denial of service against a Windows host over the network","analyst_note":"Check the Microsoft Security Update Guide entry for affected Windows versions, the fixed build and whether the flaw is reachable over SMB or RPC.","how_to_check":"unknown","plain_action":"","product_name":"Windows Security Account Manager","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000635,"input_tokens":4495,"output_tokens":370,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Update Guide entry for affected Windows versions, the fixed build and whether the flaw is reachable over SMB or RPC.","search":"'-112966':13A,16A '-2026':12A,15A 'account':3A,19A,28B,35B,58C 'allow':60C 'attack':7A,43B,63C 'compon':31B 'consum':37B 'consumpt':54C 'cve':11A,14A 'data':36B 'deni':9A,65C 'infrastructur':21B 'limit':40B 'local':34B 'make':48B 'manag':4A,29B,59C 'manager':20A 'network':6A,46B,69C 'resourc':38B,53C 'secur':2A,27B,57C 'security':18A 'server':25B 'servic':10A,50B,66C 'store':33B 'unauthent':5A 'unauthor':42B,62C 'unavail':51B 'uncontrol':52C 'window':1A,22B,24B,26B,56C 'windows':17A 'windows-serv':23B 'without':39B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["securityaccountmanager","windowssecurityaccountmanager"],"ptokens":["account","manager","security","windows"],"labels":["high","infrastructure","vendor","windows","windowsserver"],"campaign_type":null,"search_a":"'-112966':13A,16A '-2026':12A,15A 'account':3A,19A 'attack':7A 'cve':11A,14A 'deni':9A 'manag':4A 'manager':20A 'network':6A 'secur':2A 'security':18A 'servic':10A 'unauthent':5A 'window':1A 'windows':17A","search_b":"'account':28B,35B 'attack':43B 'compon':31B 'consum':37B 'data':36B 'infrastructur':21B 'limit':40B 'local':34B 'make':48B 'manag':29B 'network':46B 'resourc':38B 'secur':27B 'server':25B 'servic':50B 'store':33B 'unauthor':42B 'unavail':51B 'window':22B,24B,26B 'windows-serv':23B 'without':39B","search_c":"'account':58C 'allow':60C 'attack':63C 'consumpt':54C 'deni':65C 'manag':59C 'network':69C 'resourc':53C 'secur':57C 'servic':66C 'unauthor':62C 'uncontrol':52C 'window':56C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:46+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112966","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112966","severity":null,"published_at":"2026-11-10T19:18:46+00:00","modified_at":"2026-11-10T19:18:46+00:00","first_seen_at":"2026-11-10T19:24:34+00:00","fetched_at":"2026-11-10T19:24:34+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"}