Security Bulletin Advance Notification Service offers details about
security updates approximately three business days before they are released. We
do this to allow customers (especially IT professionals) to plan for effective
deployment of security updates.
Advance Notification includes information about:
The number of new security updates being released
The software affected
Severity levels of vulnerabilities
Information about any detection tools relevant
to the updates
For more information about the security updates that will be
released on October 12, see Microsoft
Security Bulletin Advance Notification for October 2010.