{"id":"GHSA-mqcg-252r-5fj7","kind":"vulnerability","aliases":["GHSA-mqcg-252r-5fj7"],"related":[],"title":"Duplicate Advisory: Microsoft Security Advisory CVE-2026-114151 - Visual Studio Remote Code Execution Vulnerability","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-fpxj-5c99-g7vj. This link is maintained to preserve external references.\n\n## Original Description\nDeserialization of untrusted data in Visual Studio allows an unauthorized attacker to execute code over a network.","summary":"This advisory is withdrawn as a duplicate of GHSA-fpxj-5c99-g7vj. The original text says deserialization of untrusted data in Visual Studio lets an unauthorized attacker execute code over a network.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft.NETCore.App.Runtime.win-x86","fixed":[],"affected":">= 8.0.0, < 8.0.34","ecosystem":"nuget"}],"ecosystems":["nuget"],"tags":["cwe-121","dotnet","other","visual-studio","windows"],"not_affected_if":["withdrawn-duplicate"],"how_to_check":"- Check the live advisory GHSA-fpxj-5c99-g7vj instead of this withdrawn entry\n- Compare the affected `Microsoft.NETCore.App.Runtime.win-x86` version range listed in this record only against the duplicate advisory","fix":null,"status":"withdrawn","published_at":"2026-11-10T21:32:51+00:00","first_seen_at":"2026-11-11T00:35:03+00:00","triaged_at":"2026-11-11T00:35:54+00:00","updated_at":"2026-11-11T00:35:54+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-11T00:35:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Visual Studio: untrusted data deserialization lets attacker run code over network","impact":"high","summary":"This advisory is withdrawn as a duplicate of GHSA-fpxj-5c99-g7vj. The original text says deserialization of untrusted data in Visual Studio lets an unauthorized attacker execute code over a network.","audience":"businesses","category":"other","nicknames":[],"who_cares":["visual-studio","dotnet","windows"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"code runs on the attacker's behalf over the network","analyst_note":"Withdrawn duplicate of GHSA-fpxj-5c99-g7vj; confirm the real affected product and fixed version there, since this record's product range conflicts with the Visual Studio title.","how_to_check":"- Check the live advisory GHSA-fpxj-5c99-g7vj instead of this withdrawn entry\n- Compare the affected `Microsoft.NETCore.App.Runtime.win-x86` version range listed in this record only against the duplicate advisory","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["withdrawn-duplicate"],"who_is_affected":"This entry is withdrawn and points to GHSA-fpxj-5c99-g7vj for the real details. The listed product range is a NuGet runtime package for 8.0.x, which does not match the Visual Studio title, so the sources conflict. Teams should rely on the duplicate advisory.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000761,"input_tokens":4648,"output_tokens":592,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-114151':8A '-121':28B '-2026':7A '252r':18A,23A '5c99':46B,84C '5fj7':19A,24A 'advisori':2A,5A,36B,69C,71C 'allow':103C 'attack':62B,106C 'code':12A,64B,109C 'cve':6A 'cwe':27B 'data':55B,99C 'descript':95C 'deseri':52B,96C 'dotnet':29B 'duplic':1A,41B,68C,79C 'execut':13A,63B,108C 'extern':92C 'fpxj':45B,83C 'g7vj':47B,85C 'ghsa':16A,21A,44B,82C 'ghsa-fpxj-5c99-g7vj':43B,81C 'ghsa-mqcg-252r-5fj7':15A,20A 'let':59B 'link':87C 'maintain':89C 'microsoft':3A 'microsoft.netcore.app.runtime.win':25A 'mqcg':17A,22A 'network':67B,112C 'origin':49B,94C 'preserv':91C 'refer':93C 'remot':11A 'say':51B 'secur':4A 'studio':10A,33B,58B,102C 'text':50B 'unauthor':61B,105C 'untrust':54B,98C 'visual':9A,32B,57B,101C 'visual-studio':31B 'vulner':14A 'window':34B 'withdrawn':38B,74C 'x86':26A","nicknames":[],"mitigations":[],"who_affected":"This entry is withdrawn and points to GHSA-fpxj-5c99-g7vj for the real details. The listed product range is a NuGet runtime package for 8.0.x, which does not match the Visual Studio title, so the sources conflict. Teams should rely on the duplicate advisory.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["microsoftnetcoreappruntimewinx86"],"ptokens":["app","microsoft","netcore","runtime","win","x86"],"labels":["cwe121","dotnet","high","nuget","other","visualstudio","windows"],"campaign_type":null,"search_a":"'-114151':8A '-2026':7A '252r':18A,23A '5fj7':19A,24A 'advisori':2A,5A 'code':12A 'cve':6A 'duplic':1A 'execut':13A 'ghsa':16A,21A 'ghsa-mqcg-252r-5fj7':15A,20A 'microsoft':3A 'microsoft.netcore.app.runtime.win':25A 'mqcg':17A,22A 'remot':11A 'secur':4A 'studio':10A 'visual':9A 'vulner':14A 'x86':26A","search_b":"'-121':28B '5c99':46B 'advisori':36B 'attack':62B 'code':64B 'cwe':27B 'data':55B 'deseri':52B 'dotnet':29B 'duplic':41B 'execut':63B 'fpxj':45B 'g7vj':47B 'ghsa':44B 'ghsa-fpxj-5c99-g7vj':43B 'let':59B 'network':67B 'origin':49B 'say':51B 'studio':33B,58B 'text':50B 'unauthor':61B 'untrust':54B 'visual':32B,57B 'visual-studio':31B 'window':34B 'withdrawn':38B","search_c":"'5c99':84C 'advisori':69C,71C 'allow':103C 'attack':106C 'code':109C 'data':99C 'descript':95C 'deseri':96C 'duplic':68C,79C 'execut':108C 'extern':92C 'fpxj':83C 'g7vj':85C 'ghsa':82C 'ghsa-fpxj-5c99-g7vj':81C 'link':87C 'maintain':89C 'network':112C 'origin':94C 'preserv':91C 'refer':93C 'studio':102C 'unauthor':105C 'untrust':98C 'visual':101C 'withdrawn':74C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T21:32:51+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":"GitHub","poc_count":0,"sources":[{"source":"ghsa","external_id":"GHSA-mqcg-252r-5fj7","url":"https://github.com/advisories/GHSA-mqcg-252r-5fj7","severity":"high","published_at":"2026-11-10T21:32:51+00:00","modified_at":"2026-11-11T00:34:55+00:00","first_seen_at":"2026-11-11T00:35:03+00:00","fetched_at":"2026-11-11T00:40:12+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"}