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Month Archives: May 2009

Microsoft Security Advisory 971778 Vulnerability in Microsoft DirectShow Released

Thursday, May 28, 2009

We’ve just released Microsoft Security Advisory 971778 today. This discusses a new vulnerability in Microsoft DirectShow affecting Windows 2000, Windows XP and Windows Server 2003 that is under limited attack. The advisory outlines information about the vulnerability and steps customers can take to protect themselves while we’re working on a security update to address the issue.

New vulnerability in quartz.dll Quicktime parsing

Thursday, May 28, 2009

Recently, we found a remote code execution vulnerability in Microsoft’s DirectShow platform (quartz.dll) when processing the QuickTime format. We have released advisory 971778 providing guidance to help protect customers. We’d like to go into more detail in this blog to help you understand: Which configurations are at risk? Why is this a high risk vulnerability?

Microsoft Security Advisory 971492

Monday, May 18, 2009

I wanted to let you know that we have just posted Microsoft Security Advisory (971492). This advisory contains information regarding public reports of a vulnerability in Microsoft Internet Information Services (IIS) that could allow Elevation of Privilege. Products affected are IIS 5.0, IIS 5.1, and IIS 6.0. The advisory contains guidance and workarounds that customers can use to help protect themselves.

More information about the IIS authentication bypass

Monday, May 18, 2009

Security Advisory 971492 provides official guidance about the new IIS authentication bypass vulnerability. We’d like to go into more detail in this blog to help you understand: Am I at risk? If so, what could happen? How can I protect myself? Which IIS configurations are at risk? Only a specific IIS configuration is at risk from this vulnerability.