The September update for Internet Explorer is focused on bringing the latest security updates to our users:
Microsoft Security Bulletin MS14-052 - This critical security update resolves one publicly disclosed vulnerability and twenty-five privately reported vulnerabilities in Internet Explorer. For more information see the full bulletin.
Security Update for Flash Player (2987114) - This security update for Adobe Flash Player in Internet Explorer 10 and 11 on supported editions of Windows 8, Windows 8.1 and Windows Server 2012 and Windows Server 2012 R2 is also available. The details of the vulnerabilities are documented in Adobe security bulletin APSB14-21. This update addresses the vulnerabilities in Adobe Flash Player by updating the affected Adobe Flash binaries contained within Internet Explorer 10 and Internet Explorer 11. For more information, see the advisory.
Most customers have automatic updating enabled and will not need to take any action because these update will be downloaded and installed automatically. Customers who have automatic updating disabled need to check for updates and install this update manually.
— Gege Wang, Program Manager, Internet Explorer