Recorded 20 Oct 2026 at 20:53 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
See the latest record.
The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.
The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.
CVEMicrosoft Security Response Center
ASP.NET Core Remote Code Execution Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Issued by
Microsoft
Customer action
Required: apply the update
Affected products
Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 10.0 installed on Linux, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 10.0 installed on Mac OS, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 10.0 installed on Windows, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 11.0 installed on Linux, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 11.0 installed on Mac OS, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 11.0 installed on Windows, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 8.0 installed on Linux, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 8.0 installed on Mac OS, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 8.0 installed on Windows, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 9.0 installed on Linux, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 9.0 installed on Mac OS, Microsoft.AspNetCore.Components.WebAssembly.Server on .NET 9.0 installed on Windows