Microsoft Msxml 4.20.9818.0 May 2026

It was commonly included in or updated via Windows XP, Vista, and Windows 7. ✅ Should you keep or remove it? Microsoft XML Core Services 4.0 - Microsoft Lifecycle

Microsoft officially ended support for MSXML 4.0 in April 2014 . Microsoft Msxml 4.20.9818.0

Because it no longer receives updates, it is frequently flagged by security scanners (like Nessus or Qualys) as a vulnerability. It was commonly included in or updated via

This software is considered and a significant security risk. Microsoft Msxml 4.20.9818.0