According to Microsoft, the so-called ‘Schannel Remote Code Execution Vulnerability’ could allow an attacker to remotely run any piece of code they wished on a user’s machine. The issue is quite far ranging as the patch has been issued for users with machines running Windows Server 2003/2008/2012, Vista, 7, 8, 8.1 and Windows RT. Explaining the problem, Microsoft wrote: “A remote code execution vulnerability exists in the Secure Channel (Schannel) security package due to the improper processing of specially crafted packets.