The critical updates include three flaws in the Edge browser, three remode code execution flaws in SharePoint, and a remote code executon bug in Windows.
Three Critical Microsoft Edge vulnerabilities were patched by Microsoft this month that could allow an attacker to perform remote code execution by tricking a user into visiting a maliciously crafted web site.Full details at BleepingComputer<:a>.
CVE-2020-1056 - Microsoft Edge Elevation of Privilege Vulnerability CVE-2020-1059 - Microsoft Edge Spoofing Vulnerability CVE-2020-1096 - Microsoft Edge PDF Remote Code Execution Vulnerability
If exploited, these vulnerabilities could allow the attacker to execute commands on the computer with full user rights.