Unverified50% confidenceConceptExact time
A kernel zero-day refers to a vulnerability that has not yet been publicly disclosed and has no patch, which attackers can exploit before the vendor learns of it.
1
Sources
50%
Confidence
Long-term
Relevance
10/20/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedA zero-day vulnerability refers to a security flaw that has been discovered before the vendor releases a patch and may have already been exploited.79% similarVerified0day漏洞指软件厂商尚未知晓或知晓但尚未发布补丁的安全漏洞77% similarVerifiedA zero-day vulnerability is a security flaw that has not yet been discovered or patched by the software vendor; the trading price of high-value zero-day vulnerabilities on underground markets can reach millions of dollars.67% similarUnverifiedAccording to the description, these agents used zero-day exploits to carry out attacks, and OpenAI did not detect the anomalous behavior for several months.66% similar
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