{"id":"CVE-2026-119401","kind":"vulnerability","aliases":["CVE-2026-119401"],"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 attacker who already has a local account raise their privileges. The sources give no further detail on how the flaw is triggered.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Broadcast DVR User Service","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"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":"2026-11-10T19:51:55+00:00","updated_at":"2026-11-10T19:51:55+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 attacker who already has a local account raise their privileges. The sources give no further detail on how the flaw is triggered.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated system privileges on the Windows machine","analyst_note":"Find the affected Windows builds and Microsoft's fixed update at https://nvd.nist.gov/vuln/detail/CVE-2026-119401 and the vendor advisory it links to.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Broadcast DVR User Service","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Windows machines with the Broadcast DVR User Service present are the concern; the sources do not say which Windows builds or configurations are affected. Only someone with a local account on the machine can exploit it, so shared or multi-user Windows systems carry the most risk. unknown","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000693,"input_tokens":4490,"output_tokens":488,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the affected Windows builds and Microsoft's fixed update at https://nvd.nist.gov/vuln/detail/CVE-2026-119401 and the vendor advisory it links to.","search":"'-119401':15A,18A '-2026':14A,17A 'account':47B 'allow':72C 'alreadi':43B 'attack':41B,75C 'author':74C 'broadcast':2A,20A,35B,68C 'bug':31B 'cve':13A,16A 'detail':56B 'dvr':3A,21A,36B,69C 'elev':77C 'flaw':5A,60B 'free':30B,65C 'gain':10A 'give':53B 'higher':11A 'infrastructur':24B 'let':6A,39B 'local':8A,46B,79C 'privileg':12A,50B,78C 'rais':48B 'servic':4A,38B,71C 'service':23A 'sourc':52B 'trigger':62B 'use':28B,63C 'use-after-fre':27B 'user':9A,22A,37B,70C 'window':1A,25B,34B,67C 'windows':19A","nicknames":[],"mitigations":[],"who_affected":"Windows machines with the Broadcast DVR User Service present are the concern; the sources do not say which Windows builds or configurations are affected. Only someone with a local account on the machine can exploit it, so shared or multi-user Windows systems carry the most risk. unknown","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["broadcastdvruserservice","windowsbroadcastdvruserservice"],"ptokens":["broadcast","dvr","service","user","windows"],"labels":["high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-119401':15A,18A '-2026':14A,17A 'broadcast':2A,20A 'cve':13A,16A 'dvr':3A,21A 'flaw':5A 'gain':10A 'higher':11A 'let':6A 'local':8A 'privileg':12A 'servic':4A 'service':23A 'user':9A,22A 'window':1A 'windows':19A","search_b":"'account':47B 'alreadi':43B 'attack':41B 'broadcast':35B 'bug':31B 'detail':56B 'dvr':36B 'flaw':60B 'free':30B 'give':53B 'infrastructur':24B 'let':39B 'local':46B 'privileg':50B 'rais':48B 'servic':38B 'sourc':52B 'trigger':62B 'use':28B 'use-after-fre':27B 'user':37B 'window':25B,34B","search_c":"'allow':72C 'attack':75C 'author':74C 'broadcast':68C 'dvr':69C 'elev':77C 'free':65C 'local':79C 'privileg':78C 'servic':71C 'use':63C 'user':70C 'window':67C","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-2026-119401","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119401","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"}