{"id":"GHSA-cjjx-gv54-83qh","kind":"vulnerability","aliases":["GHSA-cjjx-gv54-83qh"],"related":[],"title":"Duplicate Advisory: Microsoft Security Advisory CVE-2026-114158 - Visual Studio Remote Code Execution Vulnerability","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-r8h3-p8p6-ggp7. This link is maintained to preserve external references.\n\n## Original Description\nHeap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.","summary":"This advisory is a withdrawn duplicate of GHSA-r8h3-p8p6-ggp7. The original text says a heap-based buffer overflow 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-122","dotnet","other","visual-studio","windows"],"not_affected_if":["withdrawn-duplicate"],"how_to_check":null,"fix":null,"status":"withdrawn","published_at":"2026-11-10T21:32:52+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Studio: heap overflow lets an attacker run code over the network","impact":"high","summary":"This advisory is a withdrawn duplicate of GHSA-r8h3-p8p6-ggp7. The original text says a heap-based buffer overflow in Visual Studio lets an unauthorized attacker execute code over a network.","audience":"developers","category":"other","nicknames":[],"who_cares":["visual-studio","dotnet","windows"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"code runs on the machine via network attack","analyst_note":"Advisory is withdrawn as a duplicate of GHSA-r8h3-p8p6-ggp7; read that advisory for the real scope, fixed versions and checks, and reconcile the nuget product range with the Visual Studio description.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["withdrawn-duplicate"],"who_is_affected":"The withdrawn advisory lists Microsoft.NETCore.App.Runtime.win-x86 from 8.0.0 before 8.0.34, but its text describes a Visual Studio flaw, so the product data conflicts with the description. The duplicate advisory GHSA-r8h3-p8p6-ggp7 is the one to read for scope.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000733,"input_tokens":4649,"output_tokens":537,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-114158':8A '-122':28B '-2026':7A '83qh':19A,24A 'advisori':2A,5A,36B,70C,72C 'allow':105C 'attack':63B,108C 'base':54B,99C 'buffer':55B,100C 'cjjx':17A,22A 'code':12A,65B,111C 'cve':6A 'cwe':27B 'descript':96C 'dotnet':29B 'duplic':1A,40B,69C,80C 'execut':13A,64B,110C 'extern':93C 'ggp7':46B,86C 'ghsa':16A,21A,43B,83C 'ghsa-cjjx-gv54-83qh':15A,20A 'ghsa-r8h3-p8p6-ggp7':42B,82C 'gv54':18A,23A 'heap':53B,98C 'heap-bas':52B,97C 'let':60B 'link':88C 'maintain':90C 'microsoft':3A 'microsoft.netcore.app.runtime.win':25A 'network':68B,114C 'origin':48B,95C 'overflow':56B,101C 'p8p6':45B,85C 'preserv':92C 'r8h3':44B,84C 'refer':94C 'remot':11A 'say':50B 'secur':4A 'studio':10A,33B,59B,104C 'text':49B 'unauthor':62B,107C 'visual':9A,32B,58B,103C 'visual-studio':31B 'vulner':14A 'window':34B 'withdrawn':39B,75C 'x86':26A","nicknames":[],"mitigations":[],"who_affected":"The withdrawn advisory lists Microsoft.NETCore.App.Runtime.win-x86 from 8.0.0 before 8.0.34, but its text describes a Visual Studio flaw, so the product data conflicts with the description. The duplicate advisory GHSA-r8h3-p8p6-ggp7 is the one to read for scope.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":["microsoftnetcoreappruntimewinx86"],"ptokens":["app","microsoft","netcore","runtime","win","x86"],"labels":["cwe122","dotnet","high","nuget","other","visualstudio","windows"],"campaign_type":null,"search_a":"'-114158':8A '-2026':7A '83qh':19A,24A 'advisori':2A,5A 'cjjx':17A,22A 'code':12A 'cve':6A 'duplic':1A 'execut':13A 'ghsa':16A,21A 'ghsa-cjjx-gv54-83qh':15A,20A 'gv54':18A,23A 'microsoft':3A 'microsoft.netcore.app.runtime.win':25A 'remot':11A 'secur':4A 'studio':10A 'visual':9A 'vulner':14A 'x86':26A","search_b":"'-122':28B 'advisori':36B 'attack':63B 'base':54B 'buffer':55B 'code':65B 'cwe':27B 'dotnet':29B 'duplic':40B 'execut':64B 'ggp7':46B 'ghsa':43B 'ghsa-r8h3-p8p6-ggp7':42B 'heap':53B 'heap-bas':52B 'let':60B 'network':68B 'origin':48B 'overflow':56B 'p8p6':45B 'r8h3':44B 'say':50B 'studio':33B,59B 'text':49B 'unauthor':62B 'visual':32B,58B 'visual-studio':31B 'window':34B 'withdrawn':39B","search_c":"'advisori':70C,72C 'allow':105C 'attack':108C 'base':99C 'buffer':100C 'code':111C 'descript':96C 'duplic':69C,80C 'execut':110C 'extern':93C 'ggp7':86C 'ghsa':83C 'ghsa-r8h3-p8p6-ggp7':82C 'heap':98C 'heap-bas':97C 'link':88C 'maintain':90C 'network':114C 'origin':95C 'overflow':101C 'p8p6':85C 'preserv':92C 'r8h3':84C 'refer':94C 'studio':104C 'unauthor':107C 'visual':103C 'withdrawn':75C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T21:32:52+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-cjjx-gv54-83qh","url":"https://github.com/advisories/GHSA-cjjx-gv54-83qh","severity":"high","published_at":"2026-11-10T21:32:52+00:00","modified_at":"2026-11-11T00:34:05+00:00","first_seen_at":"2026-11-11T00:35:03+00:00","fetched_at":"2026-11-11T00:35:03+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"}