Three vulnerabilities are marked critical, four important and one moderate. Critical vulnerabilities are related to Windows and specifically DirectShow, Internet Explorer (IE), MSDC and COM+.
These updates are detectable using the Microsoft Baseline Security Analyzer (MBSA) and the Enterprise Scanning Tool (EST). Users are recommended to update as soon as possible.
If you want more information about these Security Bulletins do check out the TechNet Webcast tomorrow that will present a brief overview of the technical details of the October security bulletins followed by an extensive Q&A session that will give you the opportunity to ask questions and get answers from the Microsoft security experts.