Critical updates issued for current and unsupported versions of Microsoft Windows
Microsoft have released critical security updates for all currently supported versions of Windows, as well as for the otherwise unsupported XP, Vista and Server 2003. This is in response to a series of vulnerabilities exploited by the NSA and subsequently released by the hacking group Shadow Brokers.
Given the issues posed recently by the outbreak of the NSA derived ransomware WannaCrypt/WannaCry, we strongly recommend patching all systems immediately.
Further details are available on the Microsoft website, including instructions for manually patching XP, Vista and Server 2003: