Microsoft issued the February 2020 Security Updates that include 101 unique vulnerability fixes, 13 of those rated critical. The update also includes a patch for an IE zero-day scripting engine vulnerability CVE-2020-0674 disclosed in January.
Microsoft issued the June 2019 Security Updates that include 88 unique vulnerability fixes, 21 rated critical. Additional guidance was also published to mitigate Adobe vulnerabilities.
Microsoft issued the April 2019 Security Updates that include 74 unique vulnerability fixes, 16 of them rated critical and two zero-days that were being actively exploited.