Common Weakness Enumeration

    CWE Definition / CWE-1423

    CWE-1423: Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution

    Shared microarchitectural predictor state may allow code to influence transient execution across a hardware boundary, potentially exposing data that is accessible beyond the boundary over a covert channel.

    Published:19 Sep 2023
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-1420: Exposure of Sensitive Information during Transient Execution

    CWE-1420: Exposure of Sensitive Information during Transient Execution

    CWE-1423: Exposure of Sensitive Information caused by Shared… | CVE-DB