{"id":"CVE-2026-105546","kind":"vulnerability","aliases":["CVE-2026-105546"],"related":[],"title":"Windows Management Instrumentation: race condition lets a local user gain elevated privileges","description":"Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.","summary":"A race condition in Windows Management Instrumentation (WMI) lets an attacker who already has a local account raise their privileges. The sources do not describe a remote path.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows","wmi"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:56+00:00","first_seen_at":"2026-11-10T19:24:19+00:00","triaged_at":"2026-11-10T19:54:04+00:00","updated_at":"2026-11-10T19:54:04+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:54:04Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Management Instrumentation: race condition lets a local user gain elevated privileges","impact":"high","summary":"A race condition in Windows Management Instrumentation (WMI) lets an attacker who already has a local account raise their privileges. The sources do not describe a remote path.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","wmi"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated system privileges on the machine","analyst_note":"Find the Microsoft advisory for CVE-2026-105546 to get affected Windows builds, the patch, and any fix status.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Affects Windows systems running the WMI service. Exploitation requires a local authorized account, so a shared host or a machine with untrusted local users carries the most risk. The sources do not list affected Windows builds, so check Microsoft's advisory for CVE-2026-105546.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000668,"input_tokens":4503,"output_tokens":435,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft advisory for CVE-2026-105546 to get affected Windows builds, the patch, and any fix status.","search":"'-105546':15A,18A '-2026':14A,17A 'account':38B 'allow':64C 'alreadi':34B 'attack':32B,67C 'author':66C 'concurr':50C 'condit':5A,24B,59C 'cve':13A,16A 'describ':46B 'elev':11A,69C 'execut':51C 'gain':10A 'improp':56C 'infrastructur':19B 'instrument':3A,28B,63C 'let':6A,30B 'local':8A,37B,71C 'manag':2A,27B,62C 'path':49B 'privileg':12A,41B,70C 'race':4A,23B,58C 'rais':39B 'remot':48B 'resourc':54C 'share':53C 'sourc':43B 'synchron':57C 'use':52C 'user':9A 'window':1A,20B,26B,61C 'wmi':21B,29B","nicknames":[],"mitigations":[],"who_affected":"Affects Windows systems running the WMI service. Exploitation requires a local authorized account, so a shared host or a machine with untrusted local users carries the most risk. The sources do not list affected Windows builds, so check Microsoft's advisory for CVE-2026-105546.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows","wmi"],"campaign_type":null,"search_a":"'-105546':15A,18A '-2026':14A,17A 'condit':5A 'cve':13A,16A 'elev':11A 'gain':10A 'instrument':3A 'let':6A 'local':8A 'manag':2A 'privileg':12A 'race':4A 'user':9A 'window':1A","search_b":"'account':38B 'alreadi':34B 'attack':32B 'condit':24B 'describ':46B 'infrastructur':19B 'instrument':28B 'let':30B 'local':37B 'manag':27B 'path':49B 'privileg':41B 'race':23B 'rais':39B 'remot':48B 'sourc':43B 'window':20B,26B 'wmi':21B,29B","search_c":"'allow':64C 'attack':67C 'author':66C 'concurr':50C 'condit':59C 'elev':69C 'execut':51C 'improp':56C 'instrument':63C 'local':71C 'manag':62C 'privileg':70C 'race':58C 'resourc':54C 'share':53C 'synchron':57C 'use':52C 'window':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:56+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-2026-105546","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105546","severity":null,"published_at":"2026-11-10T19:17:56+00:00","modified_at":"2026-11-10T19:17:56+00:00","first_seen_at":"2026-11-10T19:24:19+00:00","fetched_at":"2026-11-10T19:24:19+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"}