Microsoft Security Bulletin Summary for April 2017
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Today Microsoft released the following Security Bulletin(s).
Note: https://technet.microsoft.com/en-us/security/default... and https://www.microsoft.com/en-us/security/default.aspx are authoritative in all matters concerning Microsoft Security Bulletins! ANY e-mail, web board or newsgroup posting (including this one) should be verified by visiting these sites for official information. Microsoft never sends security or other updates as attachments. These updates must be downloaded from the microsoft.com download center or Windows Update. See the individual bulletins for details.
Because some malicious messages attempt to masquerade as official Microsoft security notices, it is recommended that you physically type the URLs into your web browser and not click on the hyperlinks provided.
April 2017 Security Updates
Release Date: April 11, 2017
The April security release consists of security updates for the following software:
•Microsoft Office and Microsoft Office Services and Web Apps
•Visual Studio for Mac
•Adobe Flash Player
Please note the following information regarding the security updates:
•Beginning with the October 2016 release, Microsoft is changing the update servicing model for Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012, and Windows Server 2012 R2. For more information, please see this Microsoft Technet article, Further simplifying servicing models forWindows 7 and Windows 8.1.
•Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog.
•Starting in March 2017, there will be a Windows 10 1607 delta package that contains just the delta changes between the previous month and the current release.
•Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
•In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features
Note As a reminder, the Security Updates Guide will be replacing security bulletins. Please see our blog post, Furthering our commitment to security updates, for more details.
Please note that Microsoft may release bulletins out side of this schedule if we determine the need to do so.
If you have any questions regarding the patch or its implementation after reading the above listed bulletin you should contact For home users, no-charge support for security updates (only!) is available by calling 800-MICROSOFT (800-642-7676) in the US or 877-568-2495 in Canada.