CWE-1116: Inaccurate Source Code Comments

BaseIncomplete

The source code contains comments that do not accurately describe or explain aspects of the portion of the code with which the comment is associated.

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Technical Details

Structure
Simple
Vulnerability Mapping
ALLOWED

Applicable To

Languages
Not Language-Specific
Platforms

Source-backed guidance

Additional facts reviewed against primary or authoritative security sources.

Verify controls for CWE-1116 with SSDF evidence

Use NIST SSDF verification and vulnerability-response practices to detect CWE-1116, Inaccurate Source Code Comments, throughout the product lifecycle. Derive review questions, static or dynamic checks, and negative tests from the CWE's causal behavior; define the components and lifecycle stages each check covers; and retain findings with enough evidence to distinguish the root cause from symptoms and impacts. Track escapes and false negatives, then improve the verification plan after every confirmed occurrence.

NIST SP 800-218 Secure Software Development Framework — National Institute of Standards and Technology

Address Inaccurate Source Code Comments during Implementation

MITRE associates mitigation with Implementation; recorded impacts include Reduce Maintainability, and Increase Analytical Complexity; related weaknesses include CWE-1078. Use these source-defined anchors to turn CWE-1116 into implementation, review, and verification checks for the affected component.

CWE-1116: Inaccurate Source Code Comments — MITRE CWE

Triage CWE-1116 against known exploitation evidence

Use CISA's Known Exploited Vulnerabilities catalog to test whether a vulnerability mapped to CWE-1116, Inaccurate Source Code Comments, has evidence of exploitation in the wild. Confirm the CVE-to-CWE root-cause mapping independently before attaching the example, then capture the affected product, required action, and remediation deadline. A missing KEV match is not evidence that the weakness is unexploited, and a KEV entry must not be generalized to every occurrence of this CWE.

Known Exploited Vulnerabilities Catalog — Cybersecurity and Infrastructure Security Agency

Apply precise root-cause mapping to CWE-1116

Apply MITRE's full root-cause mapping guidance when using CWE-1116, Inaccurate Source Code Comments. Separate weakness language from attacker prerequisites and technical impact, check the entry's abstraction and vulnerability-mapping notes, and prefer the most specific Base or Variant supported by the evidence. Record the rejected alternatives and require an independent review before the mapping is used for remediation trends or program metrics.

CVE to CWE Root Cause Mapping Guidance — MITRE CWE

Validate CWE-1116 with root-cause mapping checks

Apply MITRE's root-cause mapping quick tips to CWE-1116, Inaccurate Source Code Comments. Confirm the finding describes the causal weakness rather than an impact or attack pattern, compare the abstraction and mapping notes with plausible alternatives, and have a second reviewer challenge the selection. Preserve the evidence and reasoning so recurring defects can be measured against one consistent identifier.

CVE to CWE Root Cause Mapping Quick Tips — MITRE CWE

Frequently Asked Questions

What is CWE-1116: Inaccurate Source Code Comments?+

CWE-1116: Inaccurate Source Code Comments is a Common Weakness Enumeration (CWE) entry maintained by MITRE. The source code contains comments that do not accurately describe or explain aspects of the portion of the code with which the comment is associated.

What are the security consequences of Inaccurate Source Code Comments?+

If exploited, CWE-1116 (Inaccurate Source Code Comments) it can compromise Other, leading to outcomes such as Reduce Maintainability and Increase Analytical Complexity.

How do you prevent or mitigate Inaccurate Source Code Comments?+

Recommended mitigations for CWE-1116 include: Verify that each comment accurately reflects what is intended to happen during execution of the code.

Which programming languages are affected by Inaccurate Source Code Comments?+

CWE-1116 commonly affects Not Language-Specific. Note that weaknesses are often language-agnostic patterns, so secure coding practices apply broadly.

What is the difference between a CWE and a CVE?+

A CWE (Common Weakness Enumeration) like CWE-1116 describes a category of software weakness — the underlying flaw type. A CVE (Common Vulnerabilities and Exposures) identifies a specific, real-world vulnerability in a particular product. In short, a CWE is the kind of mistake, and a CVE is an instance of that mistake being found in software.

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