Microsoft patched 12 vulnerabilities in Windows, Office, and Internet Explorer (IE), including three critical bugs in its newest browser, IE8.
Summaries for the bulletins are listed below, or you can go to the Microsoft Security Bulletin Summary for December 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 MS09-071**
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-074*
Products affected: Microsoft Office
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-072**
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Important:
Microsoft Security Bulletin MS09-069**
Products affected: Microsoft Windows
Impact: Denial of Service
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-070**
Products affected: Microsoft Windows
Impact: Remote Code Execution
To read more technical information about this update, click here.
Microsoft Security Bulletin MS09-073**
Products affected: Microsoft Windows, Microsoft Office
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

Check our calendar for C-SAFE classes and important training events. Subscribe in your Google calendar.