ゼロデイ脆弱 ぜいじゃく せいじゃありませんでした
zerodei zeijaku seija arimasendeshita

Noun
Desu Copula

The polite, past negative form of ゼロデイ脆弱性

1. Was not a zero-day vulnerability.

Past/Perfective
Negative
Polite
Terminal Form
Computing