Common Weakness Enumeration

    CWE Definition / CWE-662

    CWE-662: Improper Synchronization

    The product utilizes multiple threads, processes, components, or systems to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.

    Published:11 Apr 2008
    Organization:MITRE
    Modified:30 Apr 2026

    Related Weakness

    CWE-664: Improper Control of a Resource Through its Lifetime

    CWE-691: Insufficient Control Flow Management

    CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')