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

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

To receive automatic notifications whenever Microsoft Security Bulletins are issued, subscribe to Microsoft Technical Security Notifications.

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

Microsoft also provides information to help customers prioritize monthly security updates with any non-security, high-priority updates that are being released on the same day as the monthly security updates. Please see the section, Other Information.

Executive Summaries
This advance notification provides a number as the bulletin identifier, because the official Microsoft Security Bulletin numbers are not issued until release. The bulletin summary that replaces this advance notification will have the proper Microsoft Security Bulletin numbers (in the MSyy-xxx format) as the bulletin identifier.

The following table summarizes the security bulletins for this month in order of severity.

For details on affected software, see the next section, Affected Software.

Bulletin ID Maximum Severity Rating and Vulnerability Impact Restart Requirement Affected Software

Bulletin 1
Critical
Remote Code Execution
May require restart
Microsoft Windows

Bulletin 2
Critical
Remote Code Execution
Requires restart
Microsoft Windows

Bulletin 3
Critical
Remote Code Execution
May require restart
Microsoft Office

Bulletin 4
Important
Remote Code Execution
May require restart
Microsoft Office