Severity and priority are two important concepts used to classify and prioritize issues found during software testing. Here are the key differences between them:

Severity

• Severity refers to the impact of a defect on the functionality or usability of the software.
• It assesses how much the fault impacts the system’s planned behavior.
• Severity levels are typically classified as high, medium, or low.
• High severity defects affect the system severely and cannot be used until they are fixed.
• Low severity defects can be fixed at a later date.

Priority

• Priority refers to the urgency with which a defect needs to be fixed.
• It measures how quickly the issue should be resolved based on the business impact or the project timeline.
• Priority levels are typically classified as high, medium, or low.
• High priority defects need resolution as soon as possible and may affect the whole applicat...