CompTIA
220-1202 · Question #17
Which of the following describes a vulnerability that has been exploited before a patch or remediation is available?
The correct answer is D. zero-day. A zero-day vulnerability refers to a security flaw that is actively exploited by attackers before the software vendor has released a patch or remediation - meaning defenders have "zero days" to prepare once the exploit becomes known.
Submitted by anna_se· Mar 30, 2026Security
Question
Which of the following describes a vulnerability that has been exploited before a patch or remediation is available?
Options
- ASpoofing
- BBrute-force
- CDoS
- Dzero-day
How the community answered
(28 responses)- B4% (1)
- C4% (1)
- D93% (26)
Explanation
A zero-day vulnerability refers to a security flaw that is actively exploited by attackers before the software vendor has released a patch or remediation - meaning defenders have "zero days" to prepare once the exploit becomes known.
Topics
#Zero-day vulnerability#Security threats
Community Discussion
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