Microsoft Security Bulletins for June 2013 Overview

If you noticed that your PC rebooted itself last night, this might explain why …

Microsoft released a total of five security bulletins addressing 23 different vulnerabilities today of which four affect client and server versions of the Windows operating system while one is affecting Microsoft Office.

One bulletin has received the maximum severity rating of critical, the highest possible rating, while the remaining four received one of important, the second highest. This does not mean that all versions of Windows or Office are equally affected by those vulnerabilities.

Check out the operating system distribution listing that details how individual versions of Windows are affected this patch day.

Operating System Distribution

Windows editions and versions may be affected in different ways to vulnerabilities. A simple example is a vulnerability in a feature that Microsoft introduced in a later version of the operating system. In this case, all previous versions of Windows would not be affected by the vulnerability at all, as the affected feature would not exist in those versions.

Windows XP is affected the least this time in terms of vulnerabilities followed by Windows RT, then Vista and Windows 7, and finally Windows 8 which is affected most severely.

  • Windows XP: 1 critical, 1 important
  • Windows Vista: 1 critical, 2 important, 1 moderate
  • Windows 7:  1 critical, 2 important, 1 moderate
  • Windows 8:  1 critical, 3 important
  • Windows RT: 1 critical, 2 important
  • Windows Server 2003: 1 important, 1 moderate
  • Windows Server 2008: 2 important, 2 moderate
  • Windows server 2008 R2: 1 important, 2 moderate
  • Windows Server 2012: 2 important, 1 moderate

Deployment Guide

Microsoft recommends to deploy the bulletins in the following order:

  1. First MS13-047 (Internet Explorer, critical) and then MS13-051 (Office, important).
  2. Then MS13-049 (Kernel-Mode, important) and then Ms13-050 (Print Spooler, important).
  3. Last MS13-048 (Kernel, important).

bulletin deployment piority june 2013

severity exploitability index june 2013

Security Bulletins

  • MS13-047 Cumulative Security Update for Internet Explorer (2838727)
  • MS13-048 Vulnerability in Windows Kernel Could Allow Information Disclosure (2839229)
  • MS13-049 Vulnerability in Kernel-Mode Driver Could Allow Denial of Service (2845690)
  • MS13-050 Vulnerability in Windows Print Spooler Components Could Allow Elevation of Privilege (2839894)
  • MS13-051 Vulnerability in Microsoft Office Could Allow Remote Code Execution (2839571)

Non-security related updates

  • Update for Windows (KB2808679)
  • Update for Windows Server 2012 (KB2818604)
  • Update for Windows 8, Windows RT, and Windows Server 2012 (KB2821895)
  • Update Rollup for Windows Server 2012 Essentials (KB2824160)
  • Update for Windows 7 and Windows Server 2008 R2 (KB2834140)
  • Update for Microsoft Camera Codec Pack for Windows 8 and Windows RT (KB2836187)
  • Update for Windows 7 and Windows Server 2008 R2 (KB2836502)
  • Update for Microsoft .NET Framework 4 on Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP (KB2836939)
  • Update for Microsoft .NET Framework 3.5 SP1 on Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP (KB2836940)
  • Update for Microsoft .NET Framework 2.0 SP2 on Windows Server 2003 and Windows XP (KB2836941)
  • Update for Microsoft .NET Framework 3.5.1 on Windows 7 and Windows Server 2008 R2 (KB2836942)
  • Update for Microsoft .NET Framework 3.5.1 on Windows 7 and Windows Server 2008 R2 (KB2836943)
  • Update for Microsoft .NET Framework 2.0 SP2 on Windows Server 2008 (KB2836945)
  • Update for Microsoft .NET Framework 3.5 on Windows 8 and Windows Server 2012 (KB2836946)
  • Update for Microsoft .NET Framework 3.5 on Windows 8 and Windows Server 2012 (KB2836947)
  • Update for Windows 8, Windows RT, and Windows Server 2012 (KB2845533)
  • Windows Malicious Software Removal Tool – June 2013 (KB890830)/Windows Malicious Software Removal Tool – June 2013 (KB890830) – Internet Explorer Version
  • Update for Windows 7 and Windows Server 2008 R2 (KB2820331)
  • System Update Readiness Tool for Windows 7, Windows Server 2008 R2, Windows Server 2008, and Windows Vista (KB947821) [May 2013]

How to download and install the June 2013 security updates

windows security updates june 2013

The automatic update feature of Windows is the easiest option when it comes to installing security updates.This is an automated process and you do not really need to do anything as updates are installed automatically on your system.

If you want to update manually, do the following instead:

All Windows users can tap on the Windows-key, enter Windows Update and select the appropriate option here to open the updater of the operating system.

Click on the check for updates button first to retrieve the latest updates from Microsoft before you hit the install updates button.

You can browse the updates that Windows has found before you do so, disable some or include others that are not installed automatically.

It is alternatively possible to use Microsoft’s Download Center to download and install updates, or third party programs which you find listed on this page.

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