Is KB4012215 the proper update to guard against WannaCrypt?
It is indeed the correct patch
- March, 2017 Security Monthly Quality Rollup for Windows 7 (KB4012215)
- March, 2017 Security Monthly Quality Rollup for Windows 7 for x64-based Systems (KB4012215)
- March, 2017 Security Only Quality Update for Windows 7 (KB4012212)
- March, 2017 Security Only Quality Update for Windows 7 for x64-based Systems (KB4012212)
Patches That Fix the Vulnerability For MS17-010
Please tell me where and how to download and install it.
You can download the patch here
April 2017 Quality Rollup also contains the fixes here is the patches that apply to Windows 7
- April, 2017 Security Monthly Quality Rollup for Windows 7 for x64-based Systems (KB4015549)
- April, 2017 Security Monthly Quality Rollup for Windows 7 (KB4015549)
May 2017: KB4019264