KB4525245

• Updates to improve security when using Internet Explorer and Microsoft Edge.

• Updates to improve security when using external devices (such as game controllers, printers, and web cameras) and input devices such as a mouse, keyboard, or stylus.

• Updates to improve security when using Microsoft Office products.

• Addresses an issue that prevents the BitLocker recovery key from being successfully backed up to Azure Active Directory.

• Addresses an issue that causes events that are based on Windows Defender Application Control Code Integrity to be unreadable.

• Provides protections against the Intel® Processor Machine Check Error vulnerability (CVE-2018-12207). Use the registry setting as described in the Guidance KB article. (This registry setting is disabled by default.)

• Provides protections against the Intel® Transactional Synchronization Extensions (Intel® TSX) Transaction Asynchronous Abort vulnerability (CVE-2019-11135). Use the registry settings as described in the Windows Client article. (These registry settings are enabled by default for Windows Client OS editions.)

• Security updates to Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Kernel, Windows Datacenter Networking, Windows Peripherals, and the Microsoft JET Database Engine.

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