What is Vulnerability?

Vulnerability | Election Security Glossary

Primary definition

Weakness in an information system, system security procedures, internal controls, or implementation that could be exploited by a threat source. Source: NIST SP 800-30 Rev 1

Also known asexploitability · security flaw · weakness · bug · CVE · zero-day · 0-day

7 sources cited4 related termsReviewed Aug 9, 2026

— Committee on National Security Systems Glossary CNSSI 4009-2015View source

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CNSSGC

Weakness in an information system, system security procedures, internal controls, or implementation that could be exploited by a threat source. Source: NIST SP 800-30 Rev 1

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions

Election Security Glossary. (2026). Vulnerability. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/vulnerability