The Microsoft June 2023 Security Updates includes patches and advisories for 78 vulnerabilities, including 5 Critical severity issues. There were no zero-day vulnerabilities reported.
Microsoft has released the June 2021 Security updates that includes patches for 50 vulnerabilities, 5 of those rated Critical. The updates also include fixes for 6 zero-day flaws exploited in the wild.
Microsoft released the April 2020 Security Updates that includes 113 unique vulnerability fixes, 18 of those rated critical. The updates also include patches for two Adobe Font Manager zero day vulnerabilities disclosed in March.
Microsoft issued an out-of-bound security update for a SharePoint Server vulnerability CVE-2019-1491.
Microsoft issued April 2018 Security Updates that include at least 63 vulnerability fixes, 22 of them rated critical.