Just received notice that this update has been released for IE and Adobe Flash Player. It is already live in Windows Update.
From the IEBlog:
Today we released an update that addresses vulnerabilities in Adobe Flash Player in Internet Explorer 10 on Windows 8. The majority of customers have automatic updates enabled and will not need to take any action because the update will be downloaded and installed automatically. For those manually updating, we encourage you to read the advisory and apply this update as quickly as possible.
This update addresses the vulnerabilities in Adobe Flash Player by updating the affected Adobe Flash binaries contained within Internet Explorer 10. For more information, see the advisory.