{"id":"CVE-2026-114159","kind":"vulnerability","aliases":["CVE-2026-114159"],"related":[],"title":"Visual Studio: heap buffer overflow lets a network attacker run code","description":"Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","summary":"A heap-based buffer overflow in Visual Studio can be triggered over a network by an unauthorized attacker. A successful attack lets that attacker execute code on the affected machine.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Visual Studio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["other","visual-studio","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:09+00:00","first_seen_at":"2026-11-10T19:24:44+00:00","triaged_at":"2026-11-10T19:30:35+00:00","updated_at":"2026-11-10T19:30:35+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:30:35Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Visual Studio: heap buffer overflow lets a network attacker run code","impact":"high","summary":"A heap-based buffer overflow in Visual Studio can be triggered over a network by an unauthorized attacker. A successful attack lets that attacker execute code on the affected machine.","audience":"developers","category":"other","nicknames":[],"who_cares":["visual-studio","windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"code runs on the developer's machine via network attack","analyst_note":"Find the affected Visual Studio versions and fixed builds in the Microsoft advisory for CVE-2026-114159; the NVD page lists none.","how_to_check":"unknown","plain_action":"","product_name":"Visual Studio","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000633,"input_tokens":4488,"output_tokens":369,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the affected Visual Studio versions and fixed builds in the Microsoft advisory for CVE-2026-114159; the NVD page lists none.","search":"'-114159':14A,17A '-2026':13A,16A 'affect':54B 'allow':64C 'attack':9A,43B,46B,49B,67C 'base':28B,58C 'buffer':4A,29B,59C 'code':11A,51B,70C 'cve':12A,15A 'execut':50B,69C 'heap':3A,27B,57C 'heap-bas':26B,56C 'let':6A,47B 'machin':55B 'network':8A,39B,73C 'overflow':5A,30B,60C 'run':10A 'studio':2A,19A,23B,33B,63C 'success':45B 'trigger':36B 'unauthor':42B,66C 'visual':1A,18A,22B,32B,62C 'visual-studio':21B 'window':24B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":["studio","visualstudio"],"ptokens":["studio","visual"],"labels":["high","other","vendor","visualstudio","windows"],"campaign_type":null,"search_a":"'-114159':14A,17A '-2026':13A,16A 'attack':9A 'buffer':4A 'code':11A 'cve':12A,15A 'heap':3A 'let':6A 'network':8A 'overflow':5A 'run':10A 'studio':2A,19A 'visual':1A,18A","search_b":"'affect':54B 'attack':43B,46B,49B 'base':28B 'buffer':29B 'code':51B 'execut':50B 'heap':27B 'heap-bas':26B 'let':47B 'machin':55B 'network':39B 'overflow':30B 'studio':23B,33B 'success':45B 'trigger':36B 'unauthor':42B 'visual':22B,32B 'visual-studio':21B 'window':24B","search_c":"'allow':64C 'attack':67C 'base':58C 'buffer':59C 'code':70C 'execut':69C 'heap':57C 'heap-bas':56C 'network':73C 'overflow':60C 'studio':63C 'unauthor':66C 'visual':62C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:09+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-114159","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114159","severity":null,"published_at":"2026-11-10T19:19:09+00:00","modified_at":"2026-11-10T19:19:09+00:00","first_seen_at":"2026-11-10T19:24:44+00:00","fetched_at":"2026-11-10T19:24:44+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"}