Today, we released a security update for Internet Explorer after receiving a report from Google about a new vulnerability being used in targeted attacks.
Customers who have Windows Update enabled and have applied the latest security updates, are protected automatically. We encourage customers to turn on automatic updates.
Microsoft would like to thank Google for their assistance. More information about this security update can be found on the Security Update Guide:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8653