diff --git a/src/libraries/System.Net.Primitives/ref/System.Net.Primitives.cs b/src/libraries/System.Net.Primitives/ref/System.Net.Primitives.cs
index 770d0cd351a3b3..678a3e20bbc1f1 100644
--- a/src/libraries/System.Net.Primitives/ref/System.Net.Primitives.cs
+++ b/src/libraries/System.Net.Primitives/ref/System.Net.Primitives.cs
@@ -89,6 +89,8 @@ public void SetCookies(System.Uri uri, string cookieHeader) { }
     public partial class CookieException : System.FormatException, System.Runtime.Serialization.ISerializable
     {
         public CookieException() { }
+        public CookieException(string? message) { }
+        public CookieException(string? message, System.Exception? innerException) { }
         [System.ObsoleteAttribute("This API supports obsolete formatter-based serialization. It should not be called or extended by application code.", DiagnosticId = "SYSLIB0051", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
         [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
         protected CookieException(System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext) { }
diff --git a/src/libraries/System.Net.Primitives/src/System/Net/CookieException.cs b/src/libraries/System.Net.Primitives/src/System/Net/CookieException.cs
index e53dcfda1d56b5..dcf3d401af6825 100644
--- a/src/libraries/System.Net.Primitives/src/System/Net/CookieException.cs
+++ b/src/libraries/System.Net.Primitives/src/System/Net/CookieException.cs
@@ -14,11 +14,21 @@ public CookieException() : base()
         {
         }
 
-        internal CookieException(string? message) : base(message)
+        /// <summary>
+        /// Initializes a new instance of the <see cref='CookieException'/> class with the specified error message.
+        /// </summary>
+        /// <param name="message">A <see cref="string"/> that describes the error that occurred.</param>
+        public CookieException(string? message) : base(message)
         {
         }
 
-        internal CookieException(string? message, Exception? inner) : base(message, inner)
+        /// <summary>
+        /// Initializes a new instance of the <see cref='CookieException'/> class with the specified error message
+        /// and a reference to the inner exception that is the cause of this exception.
+        /// </summary>
+        /// <param name="message">A <see cref="string"/> that describes the error that occurred.</param>
+        /// <param name="innerException">The exception that is the cause of the current exception.</param>
+        public CookieException(string? message, Exception? innerException) : base(message, innerException)
         {
         }
 
diff --git a/src/libraries/System.Net.Primitives/tests/UnitTests/CookieExceptionTest.cs b/src/libraries/System.Net.Primitives/tests/UnitTests/CookieExceptionTest.cs
new file mode 100644
index 00000000000000..f376e08807ec01
--- /dev/null
+++ b/src/libraries/System.Net.Primitives/tests/UnitTests/CookieExceptionTest.cs
@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Xunit;
+
+namespace System.Net.Primitives.UnitTests.Tests;
+
+public sealed class CookieExceptionTest
+{
+    [Fact]
+    public void Constructor_Message()
+    {
+        var exception = new CookieException("Foo");
+        Assert.Equal("Foo", exception.Message);
+    }
+
+    [Theory]
+    [InlineData(true)]
+    [InlineData(false)]
+    public void Constructor_Message_InnerException(bool innerException)
+    {
+        var inner = innerException ? new Exception() : null;
+        var exception = new CookieException("Foo", inner);
+
+        Assert.Equal("Foo", exception.Message);
+        Assert.Equal(inner, exception.InnerException);
+    }
+}
diff --git a/src/libraries/System.Net.Primitives/tests/UnitTests/Fakes/CookieException.cs b/src/libraries/System.Net.Primitives/tests/UnitTests/Fakes/CookieException.cs
index 493a30752971f8..07387dc0d3e998 100644
--- a/src/libraries/System.Net.Primitives/tests/UnitTests/Fakes/CookieException.cs
+++ b/src/libraries/System.Net.Primitives/tests/UnitTests/Fakes/CookieException.cs
@@ -7,7 +7,7 @@ namespace System.Net
     public class CookieException : FormatException
     {
         public CookieException() : base() { }
-        internal CookieException(string message) : base(message) { }
-        internal CookieException(string message, Exception inner) : base(message, inner) { }
+        public CookieException(string message) : base(message) { }
+        public CookieException(string message, Exception inner) : base(message, inner) { }
     }
 }
diff --git a/src/libraries/System.Net.Primitives/tests/UnitTests/System.Net.Primitives.UnitTests.Tests.csproj b/src/libraries/System.Net.Primitives/tests/UnitTests/System.Net.Primitives.UnitTests.Tests.csproj
index 411c86ffecc2e2..44a857234a48a6 100644
--- a/src/libraries/System.Net.Primitives/tests/UnitTests/System.Net.Primitives.UnitTests.Tests.csproj
+++ b/src/libraries/System.Net.Primitives/tests/UnitTests/System.Net.Primitives.UnitTests.Tests.csproj
@@ -15,6 +15,7 @@
     <DefaultReferenceExclusion Include="System.Net.Primitives" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CookieExceptionTest.cs" />
     <Compile Include="CookieInternalTest.cs" />
     <Compile Include="CookieContainerTest.cs" />
     <Compile Include="..\..\src\System\Net\CookieCollection.cs"