|Year||Adobe||Adobe Reader||Adobe Flash||Microsoft Powerpoint||Microsoft Windows XP SP3|
Looking in further detail, here are the vulnerabilities which have actually been exploited in the wild during the period January, 2011 to today, Adobe Systems vulnerabilities dominate those of Microsoft 7 to 2. This information can be found from searching the National Vulnerability Database for the string "exploited in the wild" and cross correlating with the analysis of virus researchers.
Should software firms be held liable for the losses their bugs impose on customer's? Why are people
still using Adobe products? This points to wider issues of market failure within the software and information security industry which has now caused issues of national security concern to governments world wide.