net10.0 
namespace System.Security
{
    [Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
    public static class SecurityManager
    {
        [Obsolete]
        public static bool CheckExecutionRights { get; set; }
    }
}
.NET
5.06.07.08.09.010.0
.NET Core
3.03.1
.NET Framework
2.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net10.0
Assembly

System.Security.Permissions , Version=10.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to System.Security.Permissions.

Package System.Security.Permissions (10.0.1) net10.0
Obsolete This API is obsolete.
Platform Restrictions

The property getter is supported on all platforms.

The property setter is supported on all platforms.

  • Built-in API
  • Package-provided API