Update: 9 May 2007
Microsoft Security Bulletin Summary for May reports the release of seven patches which are rated "critical".
These updates patch against vulnerabilities that could potentially allow for remote code execution or elevation of privilege on affected computers. In addition to the Windows operating systems, affected applications include Exchange, Internet Explorer, Office, CAPICOM and BizTalk.
Users are advised to patch their systems against these vulnerabilities immediately. Patches can be downloaded via links posted within the appropriate Security Bulletins or by visiting Microsoft Update.
Microsoft Security Updates Summary for May
Security Bulletins for May 2007 Severity
Critical: