Microsoft Nukes Buggy Office 2013 Update

Second batch of faulty software from Microsoft in two months reinforces recommendation to patch in staggered fashion.

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For the second time in two months, Microsoft has temporarily pulled a software update after users reported that it inadvertently disabled some Windows features.
Microsoft Wednesday removed its Office Update 2013 (
KB2817630
), which was released Tuesday as part of the companys regularly monthly release of patches. The update contained user interface changes, as well as stability and performance improvements for both the 32-bit and 64-bit versions of Office 2013 and Office Home and Student 2013 RT.
But soon after the update was released, users began reporting difficulties. Ive got Microsoft Office 2013 Professional Plus running on Windows 8 Professional. I just applied todays Microsoft updates, and now that Ive done so, the Outlook Folder Pane is empty, one Windows user
posted to a Microsoft help forum
Tuesday. I cant view my list of e-mail accounts, folders, favorites, etc.
More reports of
frozen Outlook navigation panes
soon surfaced, leading Microsoft to pull the patch Wednesday from its Windows Update servers.
[ Microsoft is overhauling its leadership structure. What does it mean? See
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. ]
Later Wednesday, Microsoft
confirmed the problem
, saying in a blog post that it stemmed from incompatible versions of outlook.exe and mso.dll being on the same system. In particular, a mismatched reference to a data structure causes the minimize button in the navigation pane to render incorrectly, typically extremely large to the point that the navigation pane is invisible to the user, it said.
Microsoft also noted that, contrary to some press reports, the buggy Office 2013 update had nothing to do with a critical security update for Microsoft Outlook (
MS13-068
), released Tuesday, that patched a remote code execution vulnerability, but only in the 2007 and 2010 versions of Microsoft Office. Accordingly, we continue to recommend [this] as a high priority security update,
said Wolfgang Kandek
, CTO of Qualys, in a blog post.
The bad Office 2013 update followed Microsoft last month pulling an August security update for Exchange Server 2013 (
MS13-061
) that
scrambled search infrastructure settings
, thus placing the content index for all databases into a failed state, according to a Microsoft advisory. About two weeks after removing the patch, Microsoft
released a related fix
for both Exchange 2013 RTM CU1 and Exchange 2013 RTM CU2.
While Microsoft said it thoroughly tested both of the buggy patches, the double dose of bad code -- one a user interface bug, the other a bad security update -- underscores the complexity of our current IT environment, said Kandek.
The solution, he said, is to nominate some guinea pigs. IT administrators at many organizations that we interact with counter this with a 1%, 10%, 100% mechanism, meaning they apply these patches to 1% of the user base on the first day, 10% on the second day -- barring problems -- and going for 100% starting on the third day, he said. The ultimate goal is to have security patches distributed to all machines by the fifth day. Patch managers would typically also pursue different schedules: one in the short term for critical security updates, for example, and one later for product enhancement patches such as this months Office 2013 update, which contained no security fixes.
Going forward, what might be done to prevent such patch incompatibility problems altogether? Ultimately I believe that reducing the complexity on the desktop and using more online services for our daily needs is the direction that we are headed, Kandek said.
Learn more about enterprise software by attending the Interop conference track on
Applications and Collaboration
in New York from Sept. 30 to Oct. 4.

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