Microsoft Security Bulletins for May 2015

Here’s a concise summary of the features included in this month’s Microsoft Security Bulletins (just in case you’re interested.)

This page offers an overview of Microsoft’s May 2015 patch day. The guide provides you with information about each security bulletin that was released today as part of the the update day. It lists all security bulletins released by the company today and all non-security updates released by Microsoft since the last Patch Tuesday which happened on April 14, 2015.

It starts with an executive summary highlighting the most important information about this month’s update.

This is followed by a detailed operating system distribution which covers both client and server operating systems, other affected Microsoft products, all bulletins, security advisories and non-security updates released by Microsoft, and finally information on how to obtain the updates.

Executive Summary

  • Microsoft released 13 security bulletins in this month’s security update.
  • Updates affect all client and server operating systems including both Windows 10 Technical Preview releases.
  • All operating systems with the exception of Server Core are affected by at least one critical bulletin.
  • Other affected software includes Microsoft Silverlight, Microsoft Office and Microsoft SharePoint Server.

Operating System Distribution

On the client side, Windows 7 is the least affected operating system this month with 2 critical and 1 important bulletin while all other supported client operating systems are affected by 2 critical and 2 important bulletins. The bulletins that does not affect Windows 7 but the other operating systems is MS15-053 (Windows Vista) and MS15-052 (Windows 8 and newer).

The server side shares that. Windows Server 2008 R2 is the least affected this month and not affected by MS15-053 (pre-Server 2008 R2) or Ms15-52 (post-Server 2008 R2).

Windows Technical Preview and Windows Server Technical Preview are affected by MS15-053 and MS15-054.

Other Microsoft Products

  • Microsoft SharePoint Server 2007, 2010, 2013: 2 important (MS15-046 and MS15-047)
  • Microsoft Office 2007, 2010: 1 critical, 1 important (MS15-044, MS15-046)
  • Microsoft Office 2013, Office 2013 RT, Office for Mac, PowerPoint Viewer: 1 important (Ms15-046)
  • Microsoft Office Web Apps 2010, 2013: 1 important (MS14-046)
  • Microsoft Live Meeting 2007, Lync 2010, Lync 2013: 1 critical (MS14-044)
  • Microsoft Silverlight: 1 critical, 1 important (MS15-044 and MS15-049)

Security Bulletins

  • MS15-043 – Cumulative Security Update for Internet Explorer (3049563) – Critical – Remote Code Execution
  • MS15-044 – Vulnerabilities in Microsoft Font Drivers Could Allow Remote Code Execution (3057110) – Critical – Remote Code Execution
  • MS15-045 – Vulnerability in Windows Journal Could Allow Remote Code Execution (3046002) – Critical – Remote Code Execution
  • MS15-046 – Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3057181) – Important – Remote Code Execution
  • MS15-047 – Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (3058083) – Important – Remote Code Execution
  • MS15-048 – Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3057134) – Important – Elevation of Privilege
  • MS15-049 – Vulnerability in Silverlight Could Allow Elevation of Privilege (3058985) – Important – Elevation of Privilege
  • MS15-050 – Vulnerability in Service Control Manager Could Allow Elevation of Privilege (3055642) – Important – Elevation of Privilege
  • MS15-051 – Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057191) – Important – Elevation of Privilege
  • MS15-052 – Vulnerability in Windows Kernel Could Allow Security Feature Bypass (3050514) – Important – Security Bypass Feature
  • MS15-053 – Vulnerabilities in JScript and VBScript Scripting Engines Could Allow Security Feature Bypass (3057263) – Important – Security Bypass Feature
  • MS15-054 – Vulnerability in Microsoft Management Console File Format Could Allow Denial of Service (3051768) – Important – Denial of Service
  • MS15-055 – Vulnerability in Schannel Could Allow Information Disclosure (3061518) – Important – Information Disclosure

Security Advisories and updates

  • Microsoft Security Advisory 3042058 (new): Update to Default Cipher Suite Priority Order
  • Microsoft Security Advisory 2755801 (revised): Update for Vulnerabilities in Adobe Flash Player in Internet Explorer
  • MS15-035: Security Update for Windows Embedded Standard 7, Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP Embedded (KB3046306) – MS15-035: Vulnerability in Microsoft graphics component could allow remote code execution: April 14, 2015
  • Security Update for Internet Explorer Flash Player for Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, Windows RT, and Windows Server 2012 (KB3049508) – Microsoft security advisory: Update for vulnerabilities in Adobe Flash Player in Internet Explorer: April 15, 2015
  • Security Update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB3045755) – Microsoft Security Advisory 3045755: Update to improve PKU2U authentication

Non-security related updates

  • Update for Windows 8.1 and Windows Server 2012 R2 (KB3022345) – Update to enable the Diagnostics Tracking Service in Windows (see: disable the Diagnostics Tracking Service for instructions to turn it off)
    Update for Windows 8, Windows RT, and Windows Server 2012 (KB3003729) – April 2015 servicing stack update for Windows 8 and Windows Server 2012
  • Update for Windows 7 and Windows Server 2008 R2 (KB3020369) – Update 2819745 installation fails on a read-only domain controller (RODC) in Windows Server 2008 R2
  • Update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB3021910) – April 2015 servicing stack update for Windows 8.1 and Windows Server 2012 R2
  • Update for Windows 8, Windows RT, Windows Server 2012, Windows 7, and Windows Server 2008 R2 (KB3045645) – Update to force a UAC prompt when a customized .sdb file is created in Windows
  • Update for Windows 8.1 and Windows 7 (KB3046480) – Update helps to determine whether to migrate the .NET Framework 1.1 when you upgrade Windows 8.1 or Windows 7
  • Update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB3048043) – Screen flickers or becomes blank when you drag tiles on the Start screen in Windows
  • Update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB3048097) – Compatibility update for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2: April 2015
  • Update for Windows 8.1, Windows RT 8.1, Windows 8, and Windows RT (KB3047276) – Update APN database entry for Cubic Mobile (Liechtenstein) and Verizon Wireless (US) in Windows 8.1 and Windows 8
  • Update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 (KB3054169) – Update to add more information to minidump files that helps OCA servers categorize failures correctly in Windows
  • List of additional patches released in April

How to download and install the May 2015 security updates

microsoft security-bulletins updates may 2015

Updates are already available via Windows Update. Since update checks are not run in real-time, you may want to run a manual check for updates to find and install the updates as soon as possible on your system.

To do that, tap on the Windows-key, type Windows Update, hit the enter-key and click on check for updates in the window that opens.

Cautious users may want to wait with the installation as updates may have unforeseen consequences on systems as the past has shown.

Updates can be downloaded individually from Microsoft’s Download Center or via monthly released security images.

You may also find third-party tools like WSUS helpful in this regard.

Additional information

Link to Original Content

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