Change log for version RSS

This page shows you what's changed in the most recent definitions update for Microsoft antimalware and antispyware software.

You can also see changes in the last 20 updates from the Change definition version menu on the right.

The latest update is:

  •, dated Oct 23, 2014 01:00 AM UTC.

Note: Clicking Update in your software will download the latest publicly released automatic update, which may be a few hours behind this one.

You can force your software to update to this latest update by manually downloading and installing it.

 New definitions
Antimalware (Antivirus + Antispyware)
No new threats have been identified in this definition update.

 Updated definitions
Antimalware (Antivirus + Antispyware)
NameAlert Level


Definition version


Definition available date:  (?)
Oct 23, 2014 01:24 AM UTC

Change definition version: