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Microsoft planned to release seven patches for several of its software products, including at least two critical updates for known vulnerabilities, according to the company's monthly security update.

The planned patches include one critical fix for Microsoft Windows Media Player; four patches for Windows, at least one of which is critical; one security update rated as important for both Windows and Microsoft Office; and another important update for Office.

More information about the security updates is available here.

Microsoft releases security updates for its software products on the second Tuesday of every month, a day that has become known as "Patch Tuesday" among security experts.

Malicious Software Removal Tool Updated

While the Windows Media Player update will not necessitate a restart, the Windows patches and at least one of the Office patches will require the OS to reboot before they are applied, according to the site.

All of the updates will be detectable with Microsoft's Baseline Security Analyzer tool, and the Windows Media Player patch can be detected through Microsoft's Enterprise Scanning Tool, the company says.

Also on Tuesday, the company plans to release an updated version of its Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.

Microsoft will host a Webcast to discuss the security updates on Wednesday at 11 a.m. Pacific Standard Time. More information about the Webcast is available on Microsoft's site.