Home/CWE/Improper Handling of Missing Special Element
Weakness

Improper Handling of Missing Special Element

CWE-166 · Base · Draft

The product receives input from an upstream component, but it does not handle or incorrectly handles when an expected special element is missing.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-159 · Improper Handling of Invalid Use of Special Elements
ChildOfCWE-228 · Improper Handling of Syntactically Invalid Structure
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CVEs With This Weakness

2
CVEs tagged with this weakness.
CVECVE-2026-21218
CVECVE-2024-38091
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