Search Microsoft Security
Search Microsoft.com

Microsoft security updates for September 2011

Microsoft security updates for September 2011

As part of Microsoft's routine, monthly security update cycle, we released 5 new security updates on September 13, 2011.

IT Professionals and System Administrators

Go to Microsoft TechNet for detailed information about these updates.

Skip the details and download the updates

Go to Microsoft Update to download the latest updates.

Latest security updates

Bulletin Number

Bulletin Title

Bulletin KB

MS11-070

Vulnerability in Microsoft Windows

2571621

MS11-071

Vulnerability in Microsoft Windows

2570947

MS11-072

Vulnerabilities in Microsoft Excel

2587505

MS11-073

Vulnerabilities in Microsoft Office

2587634

MS11-074

Vulnerabilities in Microsoft SharePoint

2451858

Get security updates automatically

You may already have the update if you have automatic updating turned on. To learn about automatic updating, see Update your PC automatically.

If you do not have automatic updating turned on, or to check whether you need the update, go to Microsoft Update. Microsoft Update is an online tool that will scan your computer and provide you a report about what updates your computer needs.

Download updates from the Microsoft Download Center

Security updates can be downloaded from the Microsoft Download Center. Find them by doing a keyword search using the words security update and the name of the month the update was released.

Technical information about security updates

Read the Microsoft Security Response Center blog for updated information. IT professionals and systems administrators, go to Microsoft TechNet for detailed information about updates.

Other steps you can take to help protect your computer