Microsoft has released security bulletin MS13-103. To view the complete security bulletin, visit the following Microsoft website:
Download the package now.
Release Date: December 10, 2013
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
TechNet Security Troubleshooting and Support
Help protect your computer that is running Windows from viruses and malware:
Virus Solution and Security Center
Local support according to your country:
International Support
- IT professionals:
For ASP.NET SignalR 1.1.x and SignalR 2.0.x

Release Date: December 10, 2013
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.How to obtain help and support for this security update
Security solutions for IT professionals:TechNet Security Troubleshooting and Support
Help protect your computer that is running Windows from viruses and malware:
Virus Solution and Security Center
Local support according to your country:
International Support