Microsoft on Tuesday issued three security bulletins that tackle four vulnerabilites. Just one of the vulnerabilities is rated critical. The other three are essentially the same bug, despite the fact that they affect three different products.
The first bug, MS11-015, describes two vulnerabilities in Windows Media. One, the only rated critical in this group, is a bug in Windows Media Center and Windows Media Player related to the handling of .dvr-ms files. It can lead to remote code execution in the context of user.
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