If you have yet to install the Microsoft fix—MS17-010— you should do so immediately. You should also be extremely suspicious of all e-mails you receive, particularly those that ask the recipient to open attached documents or click on Web links.
To obtain these patches, simply go to http://www.catalog.update.microsoft.com/Search.aspx and punch in the KB number in the Search bar on the top right hand corner, then choose the update for the relevant architecture.
Windows Version | KB Article |
XP / 2003 x86 | KB4012598 |
Vista / Server 2008 server all editions | KB4012598 |
Windows 7 All Editions | KB4012212 |
Windows Server 2008 R2 (all editions) | KB4012212 |
Windows 8.1 (all editions) | KB4012213 |
Server 2012 (all editions) | KB4012214 |
Server 2012 R2 | KB4012213 |
Server 2016 | KB4013429 |
Windows 10 Version 1507 (RTM pre Anniversary Update) | KB4012606 |
Windows 10 Version 1511 (November Update) | KB4013198 |
Windows 10 Version 1607 (Anniversary Update) | KB4013429 |
Protip: To get the Windows 10 version number, simply type run the winver command