Microsoft has posted a security bulletin advanced notice on their website, detailing 4 patches to be released on Tuesday, February the 10th, addressing security issues within their Windows operating systems.
The patches, targeted at Internet Explorer 7, Exchange, SQL and Visio, are rated by Microsoft as critical (for the first two) and important (for the other two). These will cover a range of operating systems, including Windows 2000 SP4, Windows XP SP2/3, Windows Server 2003/2008 and Windows Vista SP1.
Additionally, Microsoft has stated "Microsoft will release an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center".
These updates will be available from Windows Update upon release.