Microsoft Security research and Defense Blog has the scoop: Also Internet Storm center Post
“If you are using Internet Explorer 11, either on Windows 7 or Windows 8.1, and have deployed EMET 5.0, it is particularly important to install EMET 5.1 as compatibility issues were discovered with the November Internet Explorer security update and the EAF+ mitigation. Alternatively, you can temporarily disable EAF+ on EMET 5.0. Details on how to disable the EAF+ mitigation are available in the User Guide. In general we recommend upgrading to the latest version of EMET to benefit from all the enhancements.”
Download EMET5.1 here
So if you have EMET5.0 installed – you should upgrade to Enhanced Mitigation Experience Toolkit (EMET) 5.1 first before patching IE.
It is Armistice day (veterans Day) in US, plus also it is 2nd Tuesday of month, which means patch Tuesday.
My first question is… Why should you install EMET?
PC world writes about Enhanced Mitigation Experience Toolkit (EMET) this article also mentions the EMET5.1 plus patching issue.
“EMET is popular within enterprises environments because it allows companies to protect their end-point systems from software exploits even before the targeted vulnerabilities are patched. The tool can enforce memory protections like Data Execution Prevention (DEP), Address Space Layout Randomization (ASLR) and 12 others on running programs that lack them by default.”