CWE-440: Expected Behavior Violation

low-risk

A feature, API, or function does not perform according to its specification.

Abstraction: Base

Common Consequences

Other Quality Degradation

Real-World Examples (10)

CVE CVSS EPSS KEV
CVE-2023-6129 6.5 2.5%
CVE-2023-4807 7.8 0.8%
CVE-2019-5108 6.5 0.8%
CVE-2019-6569 9.1 0.5%
CVE-2018-12550 8.1 0.5%
CVE-2025-46712 3.7 0.4%
CVE-2019-5061 6.5 0.3%
CVE-2025-32728 4.3 0.3%
CVE-2022-3281 7.5 0.2%
CVE-2024-32971 9.0 0.2%
0
/ 100
low-risk
Active Threat 0/50 · Minimal
Exploit Availability 0/50 · Minimal