Issued: November 2, 2009 Summary The following bulletins have undergone a major revision increment. Please see the appropriate bulletin for more details. * MS09-054 – Critical Bulletin Information: * MS09-054 – Critical – http://www.microsoft.com/technet/security/bulletin/ms09-054.mspx – Reason for Revision: V2.0 (November 2, 2009): Revised to announce the availability of a hotfix to address application compatibility issues.

Severity Rating: Critical – Revision Note: V2.0 (November 2, 2009): Revised to announce the availability of a hotfix to address application compatibility issues. Customers who have already applied this update may install the hotfix from Microsoft Knowledge Base Article 976749.