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Microsoft to fix 'novel bug class' discovered by Google engineer


Windows 10 19H1, the next major iteration of the Windows operating system, will include a series of fixes for what Microsoft has called a "novel bug class," and which has been discovered by a Google security engineer.

The patches do not only fix some Windows kernel code to prevent potential attacks, but they also mark the end of an almost two-year collaboration between the Google and Microsoft security teams, a rare event in itself.

What is this "novel bug class"

All of this began back in 2017 when James Forshaw, a security researcher part of Google's Project Zero elite bug hunting team found a new way to attack Windows systems.

Froshaw discovered that a malicious app running on a Windows system with normal permissions (user mode), could tap into a local driver and Windows I/O Manager (a subsystem that facilitates communications between drivers and the Windows kernel) to run malicious commands with the highest Windows privileges (kernel mode).

What Forshaw discovered was a...(continued)

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