Expect 13 Windows patches, some critical

Expect 13 Windows patches, some critical: "Plan for a very busy Patch Tuesday.

Microsoft said on its TechNet site that it expects to issue 13 security bulletins Tuesday, some of them for critical security holes in Windows Media Player, MSN Messenger, Microsoft Office and Visual Studio.

The software giant won't reveal full details of vulnerabilities to be patched until Tuesday afternoon. But Thursday it revealed that its patch release will address:

* 'Moderate' security holes affecting SharePoint Services and Office;
* 'Important' vulnerabilities in the .NET Framework;
* One or more 'critical' vulnerabilities affecting Microsoft Office and Visual Studio; and
* One or more 'critical' flaws in Windows, Windows Media Player and MSN Messenger."