Microsoft confirms it's been working on SQL bug since April

From InfoWorld: Microsoft Wednesday confirmed that it has been working on a critical vulnerability in SQL Server for more than eight months, but declined to say whether it has had a patch ready since September, as an Austrian security researcher has alleged.

On Monday, the company warned customers of a bug that could be used to compromise servers running older versions of the database software, which is widely used to power Web sites and applications.

Microsoft opened an investigation for this vulnerability in April upon the initial report by the security researcher," said a company spokesman in an e-mail today. "We immediately started an investigation and have been working on this issue since that time," he added.

The researcher, Bernhard Mueller of SEC Consult Security, a Vienna-based security consulting company, went public with details of the vulnerability as well as exploit code on Dec. 9, apparently after tiring of Microsoft's lack of communication.

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