Microsoft has released today its monthly batch of security updates known as Patch Tuesday, and this month the OS maker has patched 87 vulnerabilities across a wide range of Microsoft products. By far, the most dangerous bug patched this month is CVE-2020-16898. Described as a remote code execution (RCE) vulnerability in the Windows TCP/IP stack, this bug can allow attackers to take over Windows systems by sending malicious ICMPv6 Router Advertisement packets to an unpatched computer via a network connection.