May 2018 Security Updates
Release Date: May 08, 2018
The May security release consists of security updates for the following software:
Microsoft Office and Microsoft Office Services and Web Apps
Adobe Flash Player
Microsoft Exchange Server
Windows Host Compute Service Shim
Please note the following information regarding the security updates:
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, a delta package will be available on the Microsoft Update Catalog for Windows 10 version 1607 and newer. This delta package 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.
For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.