1. A processor-implemented method of assigning severity to a software update, the method comprising: receiving, by an update manager, version information for a software application from a computing system, the version information describing a version of the software application installed on the computing system; determining, by the update manager, a severity level of one or more available updates for the software application in dependence upon the version information and update version information, including: determining a number of updates between the version of the software application installed on the computing system and each of the one or more available updates for the software application; and determining the severity level of one or more available updates for the software application in dependence upon a plurality of predetermined thresholds and the number of updates between the version of the software application installed on the computing system and each of the one or more available updates for the software application; and providing, by the update manager to the computing system, the severity level for each of the one or more available updates.