{"id":"CVE-2026-96072","kind":"vulnerability","aliases":["CVE-2026-96072"],"related":[],"title":"Windows telemetry service: use-after-free lets a local user gain privileges","description":"Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.","summary":"A memory bug in the Windows Connected User Experiences and Telemetry component lets an attacker who already has a local account free memory it still uses. The attacker can use that to raise their privileges on the machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","infrastructure","windows"],"not_affected_if":["fully-patched","no-local-accounts"],"how_to_check":"- Run winver (or Get-ComputerInfo) for the build and compare it with the Microsoft Security Update Guide entry for CVE-2026-96072, which lists the fixed KB per Windows version. - Confirm the latest cumulative update is installed (Settings > Windows Update > Update history).","fix":null,"status":"open","published_at":"2026-11-10T19:22:04+00:00","first_seen_at":"2026-11-10T19:25:29+00:00","triaged_at":"2026-11-10T19:49:22+00:00","updated_at":"2026-11-10T19:54:43+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:49:22Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows telemetry service: use-after-free lets a local user gain privileges","impact":"high","summary":"A memory bug in the Windows Connected User Experiences and Telemetry component lets an attacker who already has a local account free memory it still uses. The attacker can use that to raise their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","endpoints"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local attacker gains elevated system privileges on the Windows machine","analyst_note":"Confirm affected Windows builds and the fixed update from Microsoft's CVE-2026-96072 advisory at the NVD link.","how_to_check":"- Check the Windows build with `winver` and compare it with the patch list in Microsoft's advisory for CVE-2026-96072\n- unknown for other checks: the sources do not say","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-accounts","fully-patched"],"who_is_affected":"Affects Windows machines where a user already has a local account, since the attacker must be authorized on the system first. Shared multi-user machines and servers with local logins are the most relevant. The sources do not say which Windows builds are affected.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000696,"input_tokens":4492,"output_tokens":494,"severity_before":"high"},"analyst_status":"done","analyst_note":"Confirm affected Windows builds and the fixed update from Microsoft's CVE-2026-96072 advisory at the NVD link.","search":"'-2026':15A,18A '-96072':16A,19A 'account':43B 'allow':71C 'alreadi':39B 'attack':37B,50B,74C 'author':73C 'bug':25B 'compon':34B 'connect':29B,66C 'cve':14A,17A 'elev':76C 'endpoint':20B 'experi':31B,68C 'free':7A,44B,63C 'gain':12A 'infrastructur':21B 'let':8A,35B 'local':10A,42B,78C 'machin':60B 'memori':24B,45B 'privileg':13A,57B,77C 'rais':55B 'servic':3A 'still':47B 'telemetri':2A,33B,70C 'use':5A,48B,52B,61C 'use-after-fre':4A 'user':11A,30B,67C 'window':1A,22B,28B,65C","nicknames":[],"mitigations":[],"who_affected":"Affects Windows machines where a user already has a local account, since the attacker must be authorized on the system first. Shared multi-user machines and servers with local logins are the most relevant. The sources do not say which Windows builds are affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["endpoints","high","infrastructure","windows"],"campaign_type":null,"search_a":"'-2026':15A,18A '-96072':16A,19A 'cve':14A,17A 'free':7A 'gain':12A 'let':8A 'local':10A 'privileg':13A 'servic':3A 'telemetri':2A 'use':5A 'use-after-fre':4A 'user':11A 'window':1A","search_b":"'account':43B 'alreadi':39B 'attack':37B,50B 'bug':25B 'compon':34B 'connect':29B 'endpoint':20B 'experi':31B 'free':44B 'infrastructur':21B 'let':35B 'local':42B 'machin':60B 'memori':24B,45B 'privileg':57B 'rais':55B 'still':47B 'telemetri':33B 'use':48B,52B 'user':30B 'window':22B,28B","search_c":"'allow':71C 'attack':74C 'author':73C 'connect':66C 'elev':76C 'experi':68C 'free':63C 'local':78C 'privileg':77C 'telemetri':70C 'use':61C 'user':67C 'window':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:04+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-2026-96072","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96072","severity":null,"published_at":"2026-11-10T19:22:04+00:00","modified_at":"2026-11-10T19:22:05+00:00","first_seen_at":"2026-11-10T19:25:29+00:00","fetched_at":"2026-11-10T19:25:29+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96072:2580","url":null,"severity":null,"published_at":"2026-11-10T19:54:43+00:00","modified_at":"2026-11-10T19:54:43+00:00","first_seen_at":"2026-11-10T19:54:43+00:00","fetched_at":"2026-11-10T19:54:43+00:00","note":"MSRC page is JS-only and returned no text via web-cli; NVD page empty. No affected builds or KB found; nothing verified. Not exploited, no PoC known. Fix status left unknown; settle by reading the MSRC Security Update Guide entry in a browser."}],"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"}