In case you missed it in the May security updates, Microsoft also provided patches to plug a critical remote code execution (RCE) vulnerability in older Windows XP and Windows Server 2003 operating systems (OS).
Microsoft issued the May 2019 Security Updates that include 79 unique vulnerability fixes, 22 rated critical. Additional guidance was also published to mitigate speculative execution side channel vulnerabilities.
Microsoft security researchers revealed additional details on how cyber attackers were able to exploit the 19 year old WinRar vulnerability last March.
Are you still running Windows 7? If you are, here is another reason to upgrade to Windows 10 as soon as possible. Microsoft will officially end support for Windows 7 on January 14, 2020.
Microsoft issued the March 2019 Security Updates that include 65 unique vulnerability fixes, 18 of them rated critical.