Common Weakness Enumeration

    CWE Definition / CWE-252

    CWE-252: Unchecked Return Value

    The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-754: Improper Check for Unusual or Exceptional Conditions

    CWE-754: Improper Check for Unusual or Exceptional Conditions

    CWE-476: NULL Pointer Dereference