There are multiple vulnerabilities in Microsoft Windows, Office, and Internet Explorer. Microsoft has released updates to address these vulnerabilities.
Install updates
The updates to address these vulnerabilities are available on the Microsoft Update site (requires Internet Explorer). We recommend enabling automatic updates.
The Microsoft Security Bulletin Summary for December 2011 describes multiple vulnerabilities in Microsoft Windows. Microsoft has released updates to address the vulnerabilities.
- Microsoft Security Bulletin Summary for December 2011 - <https://technet.microsoft.com/en-us/security/bulletin/ms11-dec>
- Microsoft Update - <https://www.update.microsoft.com/>
- Microsoft Update Overview - <http://www.microsoft.com/security/updates/mu.aspx>
- Managing Automatic Updates - <http://windows.microsoft.com/en-us/windows-vista/Turn-automatic-updating-on-or-off>
Feedback can be directed to US-CERT.
Produced 2011 by US-CERT, a government organization. Terms of use
December 13, 2011: Initial release