The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.
Cisco has released two security advisories to address vulnerabilities affecting the CiscoWorks LAN Management Solution, the Cisco Unified Service Monitor, and the Cisco Unified Operations Manager. These vulnerabilities may allow an unauthenticated attacker to execute arbitrary code.
Adobe has released a security advisory to address multiple vulnerabilities in Adobe Reader and Acrobat. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code or operate with escalated privileges.
US-CERT encourages users and administrators to review Adobe security advisory APSB11-24 and apply any necessary updates to help mitigate the risks.
Microsoft has released updates to address vulnerabilities in Microsoft Windows, Microsoft Office, and Microsoft Server Software as part of the Microsoft Security Bulletin Summary for September 2011. These vulnerabilities may allow an attacker to execute arbitrary code 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.