Microsoft has confirmed that a sample attack code created by the company could have been leaked to hackers.
Microsoft director of Trustworthy Computing Ynsun Wee, in a corporate blog post, said on March 15, Microsoft became aware of public proof-of-concept code that results in denial of service for the issue addressed by MS12-020, which the company released on Tuesday.
The company recommended customers to deploy MS12-020 as soon as possible, as this security update protects against attempts to exploit CVE-2012-0002.
Microsoft is additionally offering a one-click Fix It to help mitigate risk for those customers who need time to test the update before deploying it.
The details of the proof-of-concept code appear to match the vulnerability information shared with Microsoft Active Protections Program (MAPP) partners, though Microsoft said it is not aware of public proof-of-concept code that results in remote code execution.
Microsoft stated it is actively investigating the disclosure of these details and will take the necessary actions to protect customers and ensure that confidential information is protected.
The Microsoft Active Protections Program, launched in 2008, supplies Microsoft vulnerability information to security software partners prior to Microsoft's monthly security update release so partners can build enhanced customer protections.
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