More than 64,000 vulnerabilities have been logged across the top 50 vendors and over 73,000 across top 50 products. Microsoft has had the most security vulnerabilities since 1999, with just over 6,700, followed by Oracle with 5,500 and IBM with 4,600. In 2018, the biggest spike in vulnerabilities can from Debian Linux with 1,200 logged. In 2019, figures reduced again in 2019 with a 34 percent drop year on year. Google Android has the most vulnerabilities with nearly 3,000 followed by Google Android with 2,500.”]
Source: https://www.comparitech.com/blog/vpn-privacy/vendor-vulnerabilities/