Issue with Image.Save

public void Save (System.IO.Stream stream, System.Drawing.Imaging.ImageFormat format); on Image class will throw an exception when the stream lacks seek permission even when the stream has write permission despite the method only needing write permission to work.

HttpWebRequest.GetRequestStream() will return a stream without seek permission on dot net core while returning one with read permission on dot net framework. I noticed this issue when porting my code over from one to the other.