This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user opens a specially crafted document or visits an untrusted webpage that contains embedded OpenType fonts. To learn more about the vulnerability, see Microsoft Security Bulletin MS15-078.
Additionally, this update includes non–security-related changes to enhance the functionality of Windows 10 through new features and improvements.
This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically.