{"id":"CVE-2026-119402","kind":"vulnerability","aliases":["CVE-2026-119402"],"related":[],"title":"Windows: Broadcast DVR service flaw lets a local user gain higher privileges","description":"Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Windows Broadcast DVR User Service lets an authorized local user elevate their privileges. An attacker who already has a logon on the machine could gain administrator or SYSTEM-level control.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:55+00:00","first_seen_at":"2026-11-10T19:24:57+00:00","triaged_at":"2026-11-10T19:51:54+00:00","updated_at":"2026-11-10T19:51:54+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:51:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows: Broadcast DVR service flaw lets a local user gain higher privileges","impact":"high","summary":"A use-after-free bug in the Windows Broadcast DVR User Service lets an authorized local user elevate their privileges. An attacker who already has a logon on the machine could gain administrator or SYSTEM-level control.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the machine","analyst_note":"Check Microsoft's security update guide entry for CVE-2026-119402 for affected Windows builds, the fixed update and whether the Broadcast DVR service is disabled by default.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Windows machines that have the Broadcast DVR User Service present; the attacker must already have an authorized local account. The sources do not say which Windows builds or service configurations are affected, so unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000669,"input_tokens":4490,"output_tokens":439,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check Microsoft's security update guide entry for CVE-2026-119402 for affected Windows builds, the fixed update and whether the Broadcast DVR service is disabled by default.","search":"'-119402':15A,18A '-2026':14A,17A 'administr':54B 'allow':69C 'alreadi':45B 'attack':43B,72C 'author':36B,71C 'broadcast':2A,30B,65C 'bug':26B 'control':59B 'could':52B 'cve':13A,16A 'dvr':3A,31B,66C 'elev':39B,74C 'flaw':5A 'free':25B,62C 'gain':10A,53B 'higher':11A 'infrastructur':19B 'let':6A,34B 'level':58B 'local':8A,37B,76C 'logon':48B 'machin':51B 'privileg':12A,41B,75C 'servic':4A,33B,68C 'system':57B 'system-level':56B 'use':23B,60C 'use-after-fre':22B 'user':9A,32B,38B,67C 'window':1A,20B,29B,64C","nicknames":[],"mitigations":[],"who_affected":"Windows machines that have the Broadcast DVR User Service present; the attacker must already have an authorized local account. The sources do not say which Windows builds or service configurations are affected, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-119402':15A,18A '-2026':14A,17A 'broadcast':2A 'cve':13A,16A 'dvr':3A 'flaw':5A 'gain':10A 'higher':11A 'let':6A 'local':8A 'privileg':12A 'servic':4A 'user':9A 'window':1A","search_b":"'administr':54B 'alreadi':45B 'attack':43B 'author':36B 'broadcast':30B 'bug':26B 'control':59B 'could':52B 'dvr':31B 'elev':39B 'free':25B 'gain':53B 'infrastructur':19B 'let':34B 'level':58B 'local':37B 'logon':48B 'machin':51B 'privileg':41B 'servic':33B 'system':57B 'system-level':56B 'use':23B 'use-after-fre':22B 'user':32B,38B 'window':20B,29B","search_c":"'allow':69C 'attack':72C 'author':71C 'broadcast':65C 'dvr':66C 'elev':74C 'free':62C 'local':76C 'privileg':75C 'servic':68C 'use':60C 'user':67C 'window':64C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:55+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-2026-119402","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119402","severity":null,"published_at":"2026-11-10T19:19:55+00:00","modified_at":"2026-11-10T19:19:55+00:00","first_seen_at":"2026-11-10T19:24:57+00:00","fetched_at":"2026-11-10T19:24:57+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"}