All Norman Antivirus solutions suffer from a detection bypass vulnerability in the .DOC OLE2 file parsing functionality.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/57974/n.runs-SA-2007.022.txt
Source: https://packetstormsecurity.com/files/57974/n.runs-SA-2007.022.txt.html