XmlException in XmlSerializer.Deserialize when XML has \0, C#

XmlException in XmlSerializer.Deserialize when XML has \0

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml;
using System.IO;
using System.Text;
using System.Xml.Serialization;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string teste="Hello, world!\0\0\0\0";
            //Your code goes here
            Console.WriteLine(teste + teste.Length);
            var xml = SerializeObject<Teste>(new Teste() 
            {
                teste = teste//.Replace("\0","")
            });
            Console.WriteLine(xml);
            
            var outp = DeserializeObject<Teste>(xml);
            Console.WriteLine(outp.teste);
        }
        
        public static string SerializeObject<T>(T toSerialize)
        {
            XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType());

using(StringWriter textWriter = new StringWriter())
            {
                xmlSerializer.Serialize(textWriter, toSerialize);
                return textWriter.ToString();
            }
        }
        
        public static T DeserializeObject<T>(string txt) where T: class, new()
        {
            XmlSerializer xmlSerializer = new XmlSerializer(new T().GetType());
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(txt));
            return xmlSerializer.Deserialize(ms) as T;
        }
    }
    
    public class Teste
    {
        public string teste;
    }
    
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,7 sec, cpu time: 0,72 sec, average memory usage: 24 Mb, average nr of threads: 7

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Error(s):

Exception in user code:

System.Xml.XmlException: '.', hexadecimal value 0x00, is an invalid character. Line 3, position 26.
   at System.Xml.XmlTextReaderImpl.Throw(Exception e)
   at System.Xml.XmlTextReaderImpl.Throw(String res, String[] args)
   at System.Xml.XmlTextReaderImpl.ParseNumericCharRefInline(Int32 startPos, Boolean expand, StringBuilder internalSubsetBuilder, Int32& charCount, EntityType& entityType)
   at System.Xml.XmlTextReaderImpl.ParseCharRefInline(Int32 startPos, Int32& charCount, EntityType& entityType)
   at System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars)
   at System.Xml.XmlTextReaderImpl.ParseText()
   at System.Xml.XmlTextReaderImpl.ParseElementContent()
   at System.Xml.XmlTextReaderImpl.Read()
   at System.Xml.XmlTextReader.Read()
   at System.Xml.XmlReader.ReadElementString()
   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderTeste.Read2_Teste(Boolean isNullable, Boolean checkType)
   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderTeste.Read3_Teste()

System.InvalidOperationException: There is an error in XML document (3, 26).
   at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
   at System.Xml.Serialization.XmlSerializer.Deserialize(Stream stream)
   at Rextester.Program.DeserializeObject[T](String txt)
   at Rextester.Program.Main(String[] args)

Hello, world!