Microsoft released five September security updates, all of which are rated "critical" and all affect Microsoft Windows
Summaries for the bulletins are listed below, or you can go to the Microsoft Security Bulletin Summary for September 2009 for the complete details.
If you would like to download them immediately, you may go to Microsoft's update page at http://www.windowsupdate.com/.
Critical:
Microsoft Security Bulletin MS09-045*
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-049**
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-047*
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-048**
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-046*
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
** - Requires a restart of your computer after installation
* - May require a restart of your computer after installation

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