From: Apple Product Security
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APPLE-SA-2016-10-24-2 macOS Sierra 10.12.1

macOS Sierra 10.12.1 is now available and addresses the following:

AppleGraphicsControl
Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11.6
Impact: An application may be able to execute arbitrary code with
kernel privileges [...]