From Homeland Security National Cyber Awareness System:

National Cyber Awareness System:

Microsoft Releases October 2017 Security Updates
10/10/2017 03:37 PM EDT

Original release date: October 10, 2017

Microsoft has released updates to address vulnerabilities in Microsoft software. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.
US-CERT encourages users and administrators to review Microsoft's October 2017 Security Update Summary and Deployment Information and apply the necessary updates.