You're status flag is odd (i.e.bit 0 is set) that already mean's it's software recoverable. The address is zero so I'd assume it's a null reference by some firmware. You should update you're firmware since it's probably due for an update .
You can look at table 9-4 to validate my interpretation, but the level of this bug seems low. I think what Windows 2k8 is telling you is that the MCE was not hardware corrected (uncorrected) however I assume the system continued on fine.
A lo of this stuff (assuming you read the manual) is system dependent, a shortcut would be to look through event logs to see what else was failing or happening at the same time.