Microsoft have released more updates the 15 oct. than the single one posted at Neowin:

824141
825119
828035
826232 (Win2k only)
823182

Generally it is time to visit Windows Update. MS03-045 : Buffer Overrun in the ListBox and in the ComboBox Control Could Allow Code Execution (824141)
MS03-044 : Buffer Overrun in Windows Help and Support Center Could Lead to System Compromise (825119)
MS03-043 : Buffer Overrun in Messenger Service Could Allow Code Execution (828035)
MS03-042 : Buffer Overflow in Windows Troubleshooter ActiveX Control Could Allow Code Execution (826232)
MS03-041 : Vulnerability in Authenticode Verification Could Allow Remote Code Execution (823182)