Microsoft - Msxml 4.20.9818.0

This software is considered and a significant security risk.

Because it no longer receives updates, it is frequently flagged by security scanners (like Nessus or Qualys) as a vulnerability. Microsoft Msxml 4.20.9818.0

Note. Support for XML Core Services 4.0 has ended. Support was only available for Service Pack 3. Microsoft Learn This software is considered and a significant security risk

You likely didn't install this manually. It usually arrives in one of two ways: Microsoft Msxml 4.20.9818.0