The Secunia Vulnerability Review 2015 analyzes the evolution of software vulnerabilities from a global, industry and endpoint perspective. In 2014, 15,435 vulnerabilities were discovered in 3,870 applications published by 500 vendors. The number of vulnerabilities shows a 55% increase in the five year trend, and an 18% increase from 2013 to 2014. 83% of vulnerabilities in all products had patches available on the day of disclosure in 2014, and just 84.3% have a patch available 30 days on.”]
Source: https://informationsecuritybuzz.com/news/annual-secunia-vulnerability-review-2015/