Primary definition
A computer-software vulnerability unknown to the manufacturer, typically used in targeted attacks
Also known as0-day · zero-day · zero day · 0 day
1 sources cited4 related termsReviewed Aug 10, 2026
— An Investigation into Foreign Entities Who Are Targeting Servicemembers and Veterans OnlineView source
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AIIFEW
A computer-software vulnerability unknown to the manufacturer, typically used in targeted attacks
An Investigation into Foreign Entities Who Are Targeting Servicemembers and Veterans Online · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Zero Day Vulnerability. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/zero-day-vulnerability
Sources
1 cited · last checked Aug 10, 2026
01
An Investigation into Foreign Entities Who Are Targeting Servicemembers and Veterans Online
An Investigation into Foreign Entities Who Are Targeting Servicemembers and Veterans Online
Single-source
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