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
