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Latest zero-days Total: 878, in 2025: Zero-days 62, candidates: 0

Remote denial of service in NetScaler Gateway and NetScaler ADC
CVE-2025-6543

2025-06-26
2025-06-26

Remote code execution in Microsoft Windows MSHTML
CVE-2025-33053

2025-06-10
2025-06-10

Multiple vulnerabilities in Google Chrome
CVE-2025-5419

2025-06-03
2025-06-03

Multiple vulnerabilities in Qualcomm chipsets
CVE-2025-27038

2025-06-02
2025-06-02

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.