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Sarah UKFast | Account Manager

July 2013 Security Bulletin Release Advance Notification

3 July 2013 by Alice Cullen

This ‘Patch Tuesday’ for July 2013, sees the release of 7 bulletins:

Bulletin Breakdown:

  • 6 bulletins are rated as Critical
  • 1 Bulletin is rated as Important

Affected Products:

All Internet Explorer versions
All supported operating systems
Office 2003 SP3, Office 2007 SP3, Office 2010 SP1
Visual Studio 2003 SP1
Microsoft Silverlight 5
Microsoft Lync 2010 and 2013
Windows Defender on Windows 7 and 2008 R2

The following table summarises the security bulletins for this month in order of severity.

Bulletin ID Maximum Severity Rating and Vulnerability Impact Restart Requirement Affected Software
Bulletin 1 Critical May Requires restart Microsoft Windows,
Microsoft .NET Framework,
Microsoft Silverlight
Elevation of Privilege
Bulletin 2 Critical Requires a restart Microsoft Windows
Remote Code Execution
Bulletin 3 Critical May require restart Microsoft Windows,
Microsoft Office,
Microsoft Visual Studio,
Microsoft Lync
Remote Code Execution
Bulletin 4 Critical Requires a restart Microsoft Windows,
Internet Explorer
Remote Code Execution
Bulletin 5 Critical May require restart Microsoft Windows
Elevation of Privilege
Bulletin 6 Critical May require restart Microsoft Windows
Bulletin 7 Important Does not require restart Microsoft Security Software


We will issue further information on the impact of this month’s updates once they have been released for testing from the 10th of July.