This security update resolves the following vulnerabilities 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.
- The vulnerability impacts Adobe Flash Player in Internet Explorer. To learn more about the vulnerability, see Microsoft security advisory 2755801 and Adobe Security bulletin APSB15-18.
- The vulnerability could allow elevation of privilege if the Windows Installer service incorrectly runs custom action scripts.
How to obtain and install the update
Windows UpdateThis update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically.
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.