I'm Simon, Release Manager in the MSRC. The September 2008 release contains 4 new bulletins, all with maximum severities of "Critical".
MS08-052 Vulnerabilities in GDI+ Could Allow Remote Code Execution (954593)
MS08-053 Vulnerability in Windows Media Encoder 9 Could Allow Remote Code Execution (954156)
MS08-054 Vulnerability in Windows Media Player Could Allow Remote Code Execution (954154)
MS08-055 Vulnerability in Microsoft Office Could Allow Remote Code Execution (955047)
For a technical deep-dive regarding these bulletins, please visit our Security Vulnerability Research and Defence blog.
Please join us for the regular monthly security bulletin webcast, Wednesday September 10, 11:00 PDT (GMT -7). We'll have an overview of the September bulletins, and you'll have the opportunity to ask us questions around the release.
*This posting is provided "AS IS" with no warranties, and confers no rights.*