Verified65% confidenceFactExact time
A zero-day vulnerability refers to a security flaw that has been discovered before the vendor releases a patch and may have already been exploited.
3
Sources
65%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
Related Claims
UnverifiedA 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.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洞78% 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.73% similarUnverifiedThe bounty program discovered a Linux kernel zero-day vulnerability.70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/544973API
curl https://kongchang.com/api/v1/knowledge/claims/544973MCP
get_claim(id=544973)