Improvements and fixes
This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
Security updates to Microsoft Graphics Component, Windows COM, Windows Server, Windows Kernel and Microsoft Windows DNS.
For more information about the security vulnerabilities resolved, please refer to the Security Update Guide.
Known issues in this update
How to get this update
- This Security-Only Quality Update does not include security fixes for Internet Explorer. In order to obtain the security fixes for Internet Explorer, the Cumulative Security Update for Internet Explorer KB4018271 should also be installed. Note that the Security Monthly Quality Rollup does contain security updates for Internet Explorer.
- If you use update management processes other than Windows Update, and you automatically approve all security updates classifications for deployment, this May 2017 Security-Only Quality Update KB4019214, April 2017 Security Monthly Quality Rollup KB4019216, and the Cumulative Security Update for Internet Explorer KB4018271 are deployed. We recommend that you review your update deployment rules to make sure the desired updates are deployed.