{"id":"GHSA-cfv6-4v53-fff6","kind":"vulnerability","aliases":["GHSA-cfv6-4v53-fff6"],"related":[],"title":"Duplicate Advisory: Microsoft Security Advisory CVE-2026-118745 - Visual Studio Remote Code Execution Vulnerability","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-x8x8-p968-x646. 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in Visual Studio allows an unauthorized attacker to execute code over a network.","summary":"This advisory is a withdrawn duplicate of GHSA-x8x8-p968-x646. 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"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"withdrawn","published_at":"2026-11-10T21:33:10+00:00","first_seen_at":"2026-11-11T00:40:12+00:00","triaged_at":"2026-11-11T00:42:06+00:00","updated_at":"2026-11-11T00:42:06+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-11T00:42:06Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"network","title":"Visual Studio: heap buffer overflow lets an attacker run code remotely","impact":"high","summary":"This advisory is a withdrawn duplicate of GHSA-x8x8-p968-x646. 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"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"code runs on the attacker's behalf over the network","analyst_note":"Withdrawn duplicate; check GHSA-x8x8-p968-x646 for the real affected products, versions and fix. The listed nuget package Microsoft.NETCore.App.Runtime.win-x86 does not match a Visual Studio flaw.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000674,"input_tokens":4645,"output_tokens":419,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-118745':8A '-122':28B '-2026':7A '4v53':18A,23A 'advisori':2A,5A,35B,69C,71C 'allow':104C 'attack':62B,107C 'base':53B,98C 'buffer':54B,99C 'cfv6':17A,22A 'code':12A,64B,110C 'cve':6A 'cwe':27B 'descript':95C 'dotnet':29B 'duplic':1A,39B,68C,79C 'execut':13A,63B,109C 'extern':92C 'fff6':19A,24A 'ghsa':16A,21A,42B,82C 'ghsa-cfv6-4v53-fff6':15A,20A 'ghsa-x8x8-p968-x646':41B,81C 'heap':52B,97C 'heap-bas':51B,96C 'let':59B 'link':87C 'maintain':89C 'microsoft':3A 'microsoft.netcore.app.runtime.win':25A 'network':67B,113C 'origin':47B,94C 'overflow':55B,100C 'p968':44B,84C 'preserv':91C 'refer':93C 'remot':11A 'say':49B 'secur':4A 'studio':10A,33B,58B,103C 'text':48B 'unauthor':61B,106C 'visual':9A,32B,57B,102C 'visual-studio':31B 'vulner':14A 'withdrawn':38B,74C 'x646':45B,85C 'x86':26A 'x8x8':43B,83C","nicknames":[],"mitigations":[],"who_affected":null,"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"],"campaign_type":null,"search_a":"'-118745':8A '-2026':7A '4v53':18A,23A 'advisori':2A,5A 'cfv6':17A,22A 'code':12A 'cve':6A 'duplic':1A 'execut':13A 'fff6':19A,24A 'ghsa':16A,21A 'ghsa-cfv6-4v53-fff6':15A,20A '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':35B 'attack':62B 'base':53B 'buffer':54B 'code':64B 'cwe':27B 'dotnet':29B 'duplic':39B 'execut':63B 'ghsa':42B 'ghsa-x8x8-p968-x646':41B 'heap':52B 'heap-bas':51B 'let':59B 'network':67B 'origin':47B 'overflow':55B 'p968':44B 'say':49B 'studio':33B,58B 'text':48B 'unauthor':61B 'visual':32B,57B 'visual-studio':31B 'withdrawn':38B 'x646':45B 'x8x8':43B","search_c":"'advisori':69C,71C 'allow':104C 'attack':107C 'base':98C 'buffer':99C 'code':110C 'descript':95C 'duplic':68C,79C 'execut':109C 'extern':92C 'ghsa':82C 'ghsa-x8x8-p968-x646':81C 'heap':97C 'heap-bas':96C 'link':87C 'maintain':89C 'network':113C 'origin':94C 'overflow':100C 'p968':84C 'preserv':91C 'refer':93C 'studio':103C 'unauthor':106C 'visual':102C 'withdrawn':74C 'x646':85C 'x8x8':83C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T21:33:10+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-cfv6-4v53-fff6","url":"https://github.com/advisories/GHSA-cfv6-4v53-fff6","severity":"high","published_at":"2026-11-10T21:33:10+00:00","modified_at":"2026-11-11T00:39:58+00:00","first_seen_at":"2026-11-11T00:40:12+00:00","fetched_at":"2026-11-11T00:50:21+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"}