According to TechNet, Microsoft will hold a “patch day” on April 12th. The patches will include:

  • 5 Microsoft Security Bulletins affecting Microsoft Windows. The greatest aggregate, maximum severity rating for these security updates is Critical. Some of these updates will require a restart. These updates will be detectable using the Microsoft Baseline Security Analyzer (MBSA).
  • 1 Microsoft Security Bulletin affecting Microsoft Office. The greatest aggregate, maximum severity rating for these security updates is Critical. These updates will not require a restart. These updates will be detectable using MBSA.
  • 1 Microsoft Security Bulletin affecting MSN Messenger. The greatest aggregate, maximum severity rating for these security updates is Critical. These updates may require a restart. These updates will be detectable using the Enterprise Scanning Tool (EST)
  • 1 Microsoft Security Bulletin affecting Microsoft Exchange. The greatest aggregate, maximum severity rating for these security updates is Critical. These updates will not require a restart. These updates will be detectable using MBSA.

In addition, Microsoft will release:

  • An updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update and the Download Center. Note that this tool will NOT be distributed using Software Update Services (SUS).
  • 2 NON-SECURITY High-Priority Updates for Windows on the Windows Update site. These will be distributed to Software Update Services and are not required to install the security updates.

For more information about these updates, visit the TechNet Advance Bulletin at http://www.microsoft.com/technet/security/bulletin/advance.mspx.