Common Weakness Enumeration

    CWE Definition / CWE-1342

    CWE-1342: Information Exposure through Microarchitectural State after Transient Execution

    The processor does not properly clear microarchitectural state after incorrect microcode assists or speculative execution, resulting in transient execution.

    Published:22 Sep 2021
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-226: Sensitive Information in Resource Not Removed Before Reuse

    CWE-226: Sensitive Information in Resource Not Removed Before Reuse