It looks as if Microsoft got most of their patching done last month. After a hefty Patch Tuesday in April that fixed twenty-five vulnerabilities, this month we're only looking at patches for two vulnerabilities in Office and Windows. The Windows update is considered critical for Windows 2000, XP, Vista and Server 2003 and 2008, and important for Windows 7 and Server 2008 R2. Nonetheless, Microsoft says Windows 7 and Server 2008 R2 actually are not vulnerable to the exploit being patched, in their default configurations - they're being patched more as a precaution, in case attackers figure out a new exploit for the vulnerable code in the future. You can read more here:
