Thanks to Lorna for putting together a summary or today's patching fun:

Bulletin	Supercedes	Severity	Impact
MS05-044	N/A	Moderate	Tampering
MS05-045	N/A	Moderate	Denial of Service
MS05-046	N/A	Important	Remote Code Execution
MS05-047	MS05-039	Important	Remote Code Execution and Local Elevation of Privilege
MS05-048	N/A	Important	Remote Code Execution
MS05-049	MS05-016, MS05-024	Important	Remote Code Execution
MS05-050	MS05-030	Critical	Remote Code Execution
MS05-051	MS05-010, MS05-026, MS05-039, MS05-012, MS04-012	Critical	Remote Code Execution
MS05-052	MS05-037, MS05-038	Critical	Remote Code Execution