June 2018 Update Summary

Update: 12th June 2018:
As scheduled Microsoft released their monthly security updates earlier today resolving 50 vulnerabilities. Further details are available within their Security Updates Guide.

In addition; there are 5 knowledge base articles detailing potential issues (all of which are pending resolutions) you may experience upon installing these updates. They are listed below for your reference:


Adobe have not released any further updates since their out of band (un-scheduled) update last week.

As always; you can monitor the availability of security updates for most your software from the following websites (among others) or use one of the utilities presented on this page.
US Computer Emergency Readiness Team (CERT) (please see the “Information on Security Updates” heading of the “Protecting Your PC” page):


A further useful source of update related information is the Calendar of Updates. News/announcements of updates in the categories of General SoftwareSecurity Software and Utilities are available on their website. The news/announcements are very timely and (almost always) contain useful direct download links as well as the changes/improvements made by those updates (where possible).

If you like and use it, please also consider supporting that entirely volunteer run website by donating.

For this month’s Microsoft updates, I will prioritize the order of installation below. A useful list of all CVEs for this month is present here courtesy of BleepingComputer:

CVE-2018-8267 | Scripting Engine Memory Corruption Vulnerability (a zero day (defined) vulnerability disclosed last month)

Microsoft Edge and Internet Explorer (similar to many other months; multiple versions of Edge and IE affected with many of the CVEs affecting the Microsoft Scripting Engine))

CVE-2018-8225 | Windows DNSAPI Remote Code Execution Vulnerability

CVE-2018-8231 | HTTP Protocol Stack Remote Code Execution Vulnerability (especially if your server hosts a Microsoft IIS installation)

Please install the remaining updates at your earliest convenience.

As usual; I would recommend backing up the data on any device for which you are installing updates to prevent data loss in the rare event that any update causes unexpected issues. I have provided further details of updates available for other commonly used applications below.

Thank you.

Original Post:
I usually write this post on or very shortly after Update Tuesday (the second Tuesday) of the month but with an Adobe Flash zero day vulnerability (defined) already patched and given that Mozilla have also released an update this month; I felt an earlier post would be appropriate.

I’ll update this post as further updates are made available. Thank you.

Mozilla Firefox:
Early in June Mozilla made available security updates for Firefox and Firefox ESR (Extended Support Release):

6th June: Firefox 60.0.2 and Firefox ESR 52.8.1 and Firefox ESR 60.0.2: Resolves 1x high CVE (defined). This was a heap buffer overflow.

Further details of the security issues resolved by these updates are available in the link above. Details of how to install updates for Firefox are here. If Firefox is your web browser of choice, if you have not already done so, please update it as soon as possible to resolve these security issues.

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