Defect Severity is defined by the level or the degree of impact by the defect on the application under test. Higher the severity of the defect, the more is the impact on the application.
Following are the 4 classes in which a defect severity is categorized :
* Critical
* Major
* Medium
* Low
Defect priority defines the order in which the defect should be resolved first i.e. the higher the priority of the defect implies that the application is unusable or stuck at some point and the defect should be resolved as soon as possible.
Following are the 3 classes in which a defect priority is defined :
* High
* Medium
* Low
