Common Weakness Enumeration

    CWE Definition / CWE-567

    CWE-567: Unsynchronized Access to Shared Data in a Multithreaded Context

    The product does not properly synchronize shared data, such as static variables across threads, which can lead to undefined behavior and unpredictable data changes.

    Published:15 Dec 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-820: Missing Synchronization

    CWE-662: Improper Synchronization

    CWE-662: Improper Synchronization

    CWE-488: Exposure of Data Element to Wrong Session