
Zero-day vulnerability - Wikipedia
Zero-Day Exploits: It is difficult to detect and mitigate zero-day vulnerabilities that are unknown to suppliers. Attackers can exploit these vulnerabilities before security fixes are released.
What Is a Zero-Day Attack? Risks, Examples, and Prevention
A zero-day attack occurs when adversaries exploit a previously unknown vulnerability in a live environment to compromise a system, steal confidential data, or undermine its infrastructure.
What is a zero-day exploit? - IBM
A zero-day exploit is a cyberattack vector or technique that takes advantage of an unknown or unaddressed security flaw in computer software, hardware or firmware.
Zero-day Exploit (Cyber Security Attack) - GeeksforGeeks
Jul 12, 2025 · Zero-day exploit refers to a security vulnerability that is unknown to the software vendor or the public, allowing attackers to exploit it before it can be patched.
What are zero-day attacks and why do they work? - CSO Online
Dec 1, 2025 · When attackers exploit this vulnerability, it becomes a zero-day exploit. A zero-day attack occurs when malicious actors use this exploit to compromise a system before a patch is...
Zero-Day Exploits: What They Are & How to Defend
Jan 5, 2026 · Learn what zero-day exploits are and how attackers weaponize them. Includes defense strategies, recent statistics, and real-world case studies.
What is a zero-day exploit? | Zero-day threats | Cloudflare
What is a zero-day exploit? A zero-day exploit (also called a zero-day threat) is an attack that takes advantage of a security vulnerability that does not have a fix in place.