This is an advance notification of security bulletins that Microsoft is intending to release on April 13, 2010.

This bulletin advance notification will be replaced with the April bulletin summary on April 13, 2010. For more information about the bulletin advance notification service, see Microsoft Security Bulletin Advance Notification.

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Microsoft will host a webcast to address customer questions on these bulletins on April 14, 2010, at 11:00 AM Pacific Time (US & Canada). Register now for the April Security Bulletin Webcast. After this date, this webcast is available on-demand. For more information, see Microsoft Security Bulletin Summaries and Webcasts.