Microsoft Security Updates for September, 2017

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The September security release consists of 81 security updates for the following software in which 26 are listed as Critical, 53 are rated Important, and two are Moderate in severity.

• Internet Explorer
• Microsoft Edge
• Microsoft Windows
• Microsoft Office and Microsoft Office Services and Web Apps
• Adobe Flash Player
• Skype for Business and Lync
• .NET Framework
• Microsoft Exchange Server

The updates address Remote Code Execution, Spoofing, "Defense in Depth", Information Disclosure and Elevation of Privilege. "Defense-in-Depth" is a fix that does not apply to an actively exploitable vulnerability but prevents future vulnerabilities caused by the same code when surrounding code changes expose the problem.

References

• Release Notes
• Security Update FAQ
• Security Updates Guide
• Windows 10 Update History

 

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Cumulative Update available for Windows 10 Version 1703 today: September 25, 2017—KB4040724 (OS Build 15063.632) - Windows Help:

This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Reliability improvements and fixes for cellular connectivity.
Addressed issue in Microsoft Edge where on first launch after installing KB4038788, or periodically thereafter, users may observe performance issues or unresponsiveness until the next launch of the browser.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.