Microsoft Patch Tuesday Preview, October 2013

October 3, 2013

Today, in keeping with its usual schedule,  Microsoft released the Security Bulletin Advanced Notification for October 2013, previewing the security bulletins and associated patches it intends to release on Tuesday, October 8, 2013.   This month there are eight bulletins in all; four of these have a maximum security rating of Critical; the others are rated Important.  Four of the bulletins affect Windows and its components.  Three bulletins affect Microsoft Office (including Office for Mac); one of these also affects Microsoft’s SharePoint server.  A final bulletin affects Microsoft’s Silverlight.   More details on specific versions are given in the Advanced Notification.

All supported desktop versions of Windows have at least one Critical bulletin.  The table below shows a breakdown of the Windows bulletins by severity and Windows version.

Windows Version Critical Important Moderate
Windows XP+SP3 4
Windows Vista 4
Windows Server 2003 3 1
Windows Server 2008 3 1
Windows 7 4
Windows Server 2008 R2 3 1
Windows 8 4
Windows RT 2 1
Windows Server 2012 3 1
Windows Server 2012 R2 1
Windows 8.1 1
Windows RT 8.1 1
Windows Server Core 3

The bulletins for Office and Slverlight are rated Important.

Microsoft says that three of the bulletins will definitely require a restart, and the other bulletins may require one, depending on your system’s configuration.

As always, this information is subject to change between now and the actual release of the bulletins on Tuesday.  If there are significant changes, I will post a note here once the actual updates are available.


Microsoft Patch Tuesday Preview, July 2013

July 4, 2013

In keeping with its usual schedule, despite the Independence Day holiday here, Microsoft today released the Security Bulletin Advanced Notification for July 2013, previewing the security bulletins and associated patches it intends to release next Tuesday, July 9, 2013.   This month there are seven bulletins in all; six of these have a maximum security rating of Critical; the other is rated Important.  Five of the bulletins affect Windows and its components; a sixth affects Windows as well as some other software (Office, Lync, Silverlight).

All supported versions of Windows have several Critical bulletins.  The table below shows a breakdown of the Windows bulletins by severity and Windows version.

Windows Version Critical Important Moderate
Windows XP+SP3 6
Windows Vista 6
Windows Server 2003 5 1
Windows Server 2008 5 1
Windows 7 6
Windows Server 2008 R2 5 1
Windows 8 6
Windows RT 5
Windows Server 2012 5 1
Windows Server Core 3

In addition, one of the bulletins affects Microsoft’s Silverlight, and is rated Critical.  Another affects Lync, for which it is rated Critical, as well as Office and Visual Studio, for which it is rated Important.

The remaining bulletin, which is rated Important, applies to Windows Defender.

Microsoft says that two of the Windows bulletins will definitely require a restart, and the other bulletins may require one, depending on your system’s configuration.

As always, this information is subject to change between now and the actual release of the bulletins on Tuesday.  I will post a note here once the actual updates are available.


Microsoft Patch Tuesday, March 2013

March 12, 2013

As expected, Microsoft today released its regular monthly batch of security bulletins and associated patches.  This month there are seven bulletins, addressing 20 identified vulnerabilities.  Four bulletins have a Critical severity rating, and three are rated Important.   Two of the bulletins are for Windows and its components; every supported version of Windows is affected.  One of the bulletins, rated Critical, affects all desktop/client versions of Windows (XP, Vista, 7, 8, and RT).

There are four bulletins that affect Microsoft Office, two of which are rated Critical, and two Important.  Some of these also affect Office for Mac.

There is one bulletin for Microsoft Silverlight, rated Critical; this also applies to Silverlight installations on Mac systems.  One of the bulletins (MS13-024) also applies to SharePoint.

Microsoft says that the two Windows bulletins will definitely require a system restart.  The Silverlight bulletin and one of the Office bulletins will not require a restart.  The other bulletins may require one, depending on the system’s configuration.

For more detailed information, and download links, please see the Microsoft Security Bulletin Summary for March 2013.

As usual, I recommend applying these patches to your systems as soon as you conveniently can.

The handlers at the SANS Internet Storm Center have posted their usual summary and evaluation of this month’s patches.


Microsoft Patch Tuesday Preview, March 2013

March 7, 2013

As is customary, Microsoft today released a preview of the security bulletins and associated patches that it intends to release next Tuesday, March 12.  The Security Bulletin Advanced Notification for March lists seven security bulletins for this month.  Two of these bulletins affect Windows and its components; one has a maximum severity rating of Critical, and the other is rated Important.  All supported versions of Windows are affected by at least one bulletin.  Another of the bulletins,, rated Critical, affects Microsoft’s Silverlight, including at least some installations of Silverlight on Mac systems.

The remaining four bulletins all affect Microsoft Office and its various components; two of these are rated Critical, and two Important. One of the Critical bulletins also affects Microsoft’s SharePoint server software.

According to Microsoft, the two Windows bulletins will require a system restart, and three of the Office bulletins may require one, depending on your system’s configuration.  Microsoft says that a restart will not be required for the Silverlight bulletin, and one of the Office bulletins.

As always, this information is subject to change between now and the actual release of the bulletins next Tuesday.  I will post a note here once the actual updates are available.


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