I have not read the entire document yet (I will save that for the flight home today) but this is an interesting report. This shows why I have a job, MS has made huge investments in security at all levels but the worlds perception is that we still are not secure, my job to help show the world what the investments we have made mean for users of our products.
Download the report here: Internet Explorer and Firefox Vulnerability Analysis
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.