MS13-081: Description of the security update for kernel-mode drivers: October 8, 2013

Applies to: Windows 7 Service Pack 1Windows 7 EnterpriseWindows 7 Professional


Microsoft has released security bulletin MS13-081. To view the complete security bulletin, go to one of the following Microsoft websites:

How to obtain help and support for this security update

Help installing updates:
Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country:
International Support

Note You do not have to install this security update on Windows 7 and Windows Server 2008 R2 SP1 if you already have update 2670838 installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2670838 Platform update for Windows 7 SP1 and Windows Server 2008 R2 SP1


The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.