As it covers a wide area I thought it was best put here...
http://www.us-cert.gov/cas/bulletins...5.html#windowsThis bulletin provides a summary of new or updated vulnerabilities, exploits, trends, viruses, and trojans. Updates to vulnerabilities that appeared in previous bulletins are listed in bold text. The text in the Risk column appears in red for vulnerabilities ranking High. The risks levels applied to vulnerabilities in the Cyber Security Bulletin are based on how the "system" may be impacted. The Recent Exploit/Technique table contains a "Workaround or Patch Available" column that indicates whether a workaround or patch has been published for the vulnerability which the script exploits.