Microsoft has issued a Critical Security Update for Windows XP, Vista, and Server 2003 operating systems. In-Synch RMS or Microsoft no longer support all three of these operating systems. However, due to the severity of the vulnerability, Microsoft has elected to issue an emergency security update. If any of your agency's computers are running these operating systems, we suggest installing the latest security update and either upgrading the operating system or replacing the equipment as soon as possible!
Link to the advisory:
Link to the Security Update: