Tag: 0-day

On April 7, 2026, a security researcher described an Adobe Reader zero-day vulnerability that has been exploited since at least December 2025. The vulnerability allows threat actors to execute privileged Acrobat APIs via specially crafted malicious PDF files that execute obfuscated JavaScript when …

The Gayfemboy botnet, discovered in February 2024, has evolved from a simple Mirai derivative into a sophisticated large-scale botnet. It exploits a 0-day vulnerability in Four-Faith industrial routers and unknown vulnerabilities in other devices to spread. With over 15,000 daily active nodes acros…