The Junesecurity release consists of 50 CVEs, of which 11 are listed as Critical and 39 are rated Important. One is listed as being publicly known at the time of release, and none are listed as under active attack.

The updates addressSecurity Feature Bypass, Information Disclosure, Remote Code Execution, Elevation of Privilege andDenial of Service. The release consists of security updates for the following software:

  • Internet Explorer
  • Microsoft Edge
  • Microsoft Windows
  • Microsoft Office and Microsoft Office Services and Web Apps
  • ChakraCore
  • Adobe Flash Player (although Adobe released Flash Player updates last week)


In addition, Microsoft is releasing the following advisory: Microsoft Security Advisory 4338110, "Guidance to mitigate speculative execution side-channel vulnerabilities".


Known Issues: 4284880, 4284819, 4284835, 4284826, 4284867

As usual, Dustin Childs has provided a closer look at some of the patches for this month.inthis month's Zero Day Initiative — The June 2018 Security Update Review.

Release Notes
Windows 10 Update History