Microsoft has released updates to address vulnerabilities in Microsoft Windows, Office, Internet Explorer, and Forefront Edge Security as part of the Microsoft Security Bulletin Summary for April 2009. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or operate with escalated privileges.

US-CERT encourages users and administrators to review the bulletins and follow best-practice security policies to determine which updates should be applied.

Read more: US-CERT Current Activity