MS15-040: Vulnerability in Active Directory Federation Services could allow information disclosure: April 14, 2015

This security update resolves a vulnerability in Active Directory Federation Services (AD FS). The vulnerability could allow information disclosure if a user leaves a browser open after the user logs off from an application and an attacker reopens the application in the browser immediately after the user logs off. 

Microsoft has released security bulletin MS15-040. To learn more about this security bulletin:

• Home users:
  
  https://www.microsoft.com/security/pc-security/updates.aspx
  Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
  
  https://update.microsoft.com/microsoftupdate/
• IT professionals:
  
  https://technet.microsoft.com/library/security/MS15-040

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

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.