Common Weakness Enumeration

    CWE Definition / CWE-591

    CWE-591: Sensitive Data Storage in Improperly Locked Memory

    The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors.

    Published:15 Dec 2006
    Organization:MITRE
    Modified:30 Apr 2026

    Related Weakness

    CWE-413: Improper Resource Locking