According to a news item on the Fudzilla site:


Microsoft has warned that it will release 16 security bulletins tomorrow, nine involving critical vulnerabilities. In total, it plans to patch 34 vulnerabilities.

Redmond will patch critical vulnerabilities in all supported versions of Windows for both 32-bit and 64-bit systems. Critical vulnerabilities as bugs "whose exploitation could allow the propagation of an Internet worm without user action."

Critical vulnerabilities in Microsoft Forefront Threat Management Gateway 2010 Client, Microsoft's rich media browser plug-in Silverlight and the.NET Framework will also be patched. Internet Explorer will see multiple patches for critical vulnerabilities.

Meanwhile, versions of Excel in Microsoft Office XP, 2003, 2007, 2010, and Microsoft Office for Mac will get a make over for important vulnerabilities. SQL Server, the .NET framework, and Visual Studio also have vulnerabilities fixed. Microsoft is also expected to release an updated version of its Malicious Software Removal Tool.
Reference