{"id":"CVE-2026-114151","kind":"vulnerability","aliases":["CVE-2026-114151"],"related":[],"title":"Visual Studio: untrusted data deserialization lets a remote attacker run code","description":"Deserialization of untrusted data in Visual Studio allows an unauthorized attacker to execute code over a network.","summary":"Visual Studio mishandles untrusted serialized data, so the flaw can be triggered over a network. An unauthorized attacker could execute code on the affected machine.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other","visual-studio","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:08+00:00","first_seen_at":"2026-11-10T19:24:43+00:00","triaged_at":"2026-11-10T19:31:44+00:00","updated_at":"2026-11-10T19:31:44+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:31:44Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Visual Studio: untrusted data deserialization lets a remote attacker run code","impact":"high","summary":"Visual Studio mishandles untrusted serialized data, so the flaw can be triggered over a network. An unauthorized attacker could 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 without credentials","analyst_note":"Find Microsoft's security update guide entry for CVE-2026-114151 to confirm affected versions, fixed builds, and whether user interaction or a non-default feature is required.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Teams that run Visual Studio on machines an attacker can reach over a network. The sources do not name affected versions or the exact feature involved, so treat any installed Visual Studio as in scope until the vendor's advisory says otherwise.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00066,"input_tokens":4488,"output_tokens":422,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find Microsoft's security update guide entry for CVE-2026-114151 to confirm affected versions, fixed builds, and whether user interaction or a non-default feature is required.","search":"'-114151':14A,17A '-2026':13A,16A 'affect':46B 'allow':55C 'attack':9A,40B,58C 'code':11A,43B,61C 'could':41B 'cve':12A,15A 'data':4A,28B,51C 'deseri':5A,48C 'execut':42B,60C 'flaw':31B 'let':6A 'machin':47B 'mishandl':25B 'network':37B,64C 'remot':8A 'run':10A 'serial':27B 'studio':2A,21B,24B,54C 'trigger':34B 'unauthor':39B,57C 'untrust':3A,26B,50C 'visual':1A,20B,23B,53C 'visual-studio':19B 'window':22B","nicknames":[],"mitigations":[],"who_affected":"Teams that run Visual Studio on machines an attacker can reach over a network. The sources do not name affected versions or the exact feature involved, so treat any installed Visual Studio as in scope until the vendor's advisory says otherwise.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","other","visualstudio","windows"],"campaign_type":null,"search_a":"'-114151':14A,17A '-2026':13A,16A 'attack':9A 'code':11A 'cve':12A,15A 'data':4A 'deseri':5A 'let':6A 'remot':8A 'run':10A 'studio':2A 'untrust':3A 'visual':1A","search_b":"'affect':46B 'attack':40B 'code':43B 'could':41B 'data':28B 'execut':42B 'flaw':31B 'machin':47B 'mishandl':25B 'network':37B 'serial':27B 'studio':21B,24B 'trigger':34B 'unauthor':39B 'untrust':26B 'visual':20B,23B 'visual-studio':19B 'window':22B","search_c":"'allow':55C 'attack':58C 'code':61C 'data':51C 'deseri':48C 'execut':60C 'network':64C 'studio':54C 'unauthor':57C 'untrust':50C 'visual':53C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:08+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-2026-114151","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114151","severity":null,"published_at":"2026-11-10T19:19:08+00:00","modified_at":"2026-11-10T19:19:08+00:00","first_seen_at":"2026-11-10T19:24:43+00:00","fetched_at":"2026-11-10T19:24:43+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"}