Common Weakness Enumeration

    CWE Definition / CWE-1420

    CWE-1420: Exposure of Sensitive Information during Transient Execution

    A processor event or prediction may allow incorrect operations (or correct operations with incorrect data) to execute transiently, potentially exposing data over a covert channel.

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

    Related Weakness

    CWE-669: Incorrect Resource Transfer Between Spheres