Affected: Microsoft .NET 10.0, Microsoft .NET 8.0, Microsoft .NET 9.0, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft .NET Framework 3.5 AND 4.8, Microsoft .NET Framework 3.5 AND 4.8.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.8, Microsoft .NET Framework 4.8.1 and 3 more

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.