Microsoft has released security patches for a total of 55 vulnerabilities across its products, including fixes for four zero-day vulnerabilities being exploited in the wild. The tech giant released an emergency out-of-band update separately to patch a remote execution bug (CVE-2017-0290) in Microsoft’s Antivirus Engine that comes enabled by default on Windows 7, 8.1, RT, 10 and Server 2016 operating systems. Microsoft also addresses four critical remote code execution bugs in Windows SMB network file-sharing protocol.
Source: https://thehackernews.com/2017/05/patch-windows-zero-days.html