Microsoft adds Vista patches for latest flaws

One week after issuing patches for most Windows systems, Microsoft has fixed two critical bugs in Vista.

Microsoft has released two patches for its Vista operating system, saying that it too is affected by flaws that were disclosed during the company's Aug. 8 security updates.

The patches, which were released earlier this week, fix critical flaws described in Microsoft Security Bulletin MS06-042 and MS06-051. They fix bugs in Internet Explorer and the Windows kernel, and were described Tuesday in a blog posting by Vista Product Manager Alex Heaton. That posting can be found at http://blogs.msdn.com/windowsvistasecurity/archive/2006/08/15/701306.aspx.

Vista is not affected by the most scrutinized vulnerability in this month's patches, a Windows Server service flaw that is already being exploited by some hackers. This bug prompted a rare warning from the U.S. Department of Homeland Security last week.

The latest patches raised some eyebrows because Microsoft had not previously acknowledged that these bugs also affect Vista.

Microsoft has issued this type of patch for beta software in the past -- it released a January security update for Windows Vista Beta 1 -- but the company does not provide information about beta products in its regularly scheduled monthly updates, said Stephen Toulouse, security program manager with Microsoft's security response center. "Beta products are not listed in the security bulletins as they are still under development and not intended to be used in production environments," he said in an e-mail interview.

Vista, however, will be "the first major Microsoft product release that will be serviced with security updates throughout the beta process," Heaton wrote.

One Microsoft observer was cool on the idea.

Microsoft is setting a bad precedent by agreeing to these security updates, because it muddies the difference between supported products and those in beta test, said Russ Cooper, a senior information security analyst at Cybertrust.

He believes that Microsoft is "dead wrong to commit to providing patches of any kind for Vista beta testers, in any forum other than official beta tester channels," he said.

The updates do provide Microsoft with one benefit, however, Cooper said. They pre-empt reports on security flaws in Microsoft's beta software like those issued by Symantec over the past weeks. "They're avoiding more of that stupid Symantec publicity that says that Vista has security holes," he said.

Downloads of the Vista patches can be found on this page.

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