Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, .NET Framework, Silverlight, Forefront United Access Gateway, and Microsoft Host Integration Server as part of the Microsoft Security Bulletin Summary for October 2011. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or operate with elevated privileges.

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

Additional information regarding the vulnerability identified in Microsoft Security Bulletin MS11-077 can be found in US-CERT Vulnerability Note VU#619281.

Read more: US-CERT Current Activity