CVE-2026-70159HighCVSS 7.5

ASP.NET Core Denial of Service Vulnerability

Published
October 13, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-70159 →

📋 Description

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

🎯 Affected products26

  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft Visual Studio 2026 version 18.10
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 10.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 11.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 8.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Common on .NET 9.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 10.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 11.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 8.0 installed on Windows
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Linux
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Mac OS
  • Microsoft.AspNetCore.SignalR.Core on .NET 9.0 installed on Windows

✅ Remediation

KBRelease Notes (Security Update) — fixed build 10.0.13 KBRelease Notes (Security Update) — fixed build 1.2.14 KBRelease Notes (Security Update) — fixed build 11.0.0-rc.2 KBRelease Notes (Security Update) — fixed build 8.0.32 KBRelease Notes (Security Update) — fixed build 9.0.21 KBRelease Notes (Security Update) — fixed build 18.10.4 KBRelease Notes (Security Update) — fixed build 17.14.42

🔗 References (3)