{"id":"CVE-2026-112761","kind":"vulnerability","aliases":["CVE-2026-112761"],"related":[],"title":"Windows Broadcast DVR service: memory bug 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 flaw in the Windows Broadcast DVR User Service lets an attacker who already has a local account elevate their privileges. The sources do not describe the exact trigger, and the CVSS score is 7.0.","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":"2026-11-10T19:18:39+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","triaged_at":"2026-11-10T19:53:47+00:00","updated_at":"2026-11-10T19:53:47+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:53:47Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Broadcast DVR service: memory bug lets a local user gain higher privileges","impact":"high","summary":"A use-after-free flaw in the Windows Broadcast DVR User Service lets an attacker who already has a local account elevate their privileges. The sources do not describe the exact trigger, and the CVSS score is 7.0.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the machine","analyst_note":"Find the Microsoft advisory for CVE-2026-112761 to confirm affected Windows builds, whether the service is on by default, and the patch KB.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Affects Windows machines running the Broadcast DVR User Service; the attacker needs a valid local account first. The sources do not say which Windows builds are affected or whether the service is enabled by default, so check Windows Update and the vendor advisory.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000674,"input_tokens":4490,"output_tokens":449,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft advisory for CVE-2026-112761 to confirm affected Windows builds, whether the service is on by default, and the patch KB.","search":"'-112761':16A,19A '-2026':15A,18A '7.0':60B 'account':43B 'allow':70C 'alreadi':39B 'attack':37B,73C 'author':72C 'broadcast':2A,31B,66C 'bug':6A 'cve':14A,17A 'cvss':57B 'describ':51B 'dvr':3A,32B,67C 'elev':44B,75C 'exact':53B 'flaw':27B 'free':26B,63C 'gain':11A 'higher':12A 'infrastructur':20B 'let':7A,35B 'local':9A,42B,77C 'memori':5A 'privileg':13A,46B,76C 'score':58B 'servic':4A,34B,69C 'sourc':48B 'trigger':54B 'use':24B,61C 'use-after-fre':23B 'user':10A,33B,68C 'window':1A,21B,30B,65C","nicknames":[],"mitigations":[],"who_affected":"Affects Windows machines running the Broadcast DVR User Service; the attacker needs a valid local account first. The sources do not say which Windows builds are affected or whether the service is enabled by default, so check Windows Update and the vendor advisory.","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":"'-112761':16A,19A '-2026':15A,18A 'broadcast':2A 'bug':6A 'cve':14A,17A 'dvr':3A 'gain':11A 'higher':12A 'let':7A 'local':9A 'memori':5A 'privileg':13A 'servic':4A 'user':10A 'window':1A","search_b":"'7.0':60B 'account':43B 'alreadi':39B 'attack':37B 'broadcast':31B 'cvss':57B 'describ':51B 'dvr':32B 'elev':44B 'exact':53B 'flaw':27B 'free':26B 'infrastructur':20B 'let':35B 'local':42B 'privileg':46B 'score':58B 'servic':34B 'sourc':48B 'trigger':54B 'use':24B 'use-after-fre':23B 'user':33B 'window':21B,30B","search_c":"'allow':70C 'attack':73C 'author':72C 'broadcast':66C 'dvr':67C 'elev':75C 'free':63C 'local':77C 'privileg':76C 'servic':69C 'use':61C 'user':68C 'window':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:39+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-2026-112761","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112761","severity":null,"published_at":"2026-11-10T19:18:39+00:00","modified_at":"2026-11-10T19:18:39+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","fetched_at":"2026-11-10T19:24:32+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"}