ZeroDay Cyber Feed
Explore fresh threat intelligence, zero-day vulnerabilities, and cyber news. Stay ahead of the curve with our real-time feed of the latest in cybersecurity.
Help keep ZeroDay free for everyone. Donate any amount (Donante) to support independent cybersecurity education and daily threat intelligence updates.
Professional Course Tracks
Learn offensive security, network exploitation, red team operations, and real-world penetration testing techniques aligned with industry standards and hands-on vulnerability assessment practices.
Most detailed category with step-by-step breakdowns, realistic scenarios, and practical examples.
CVE posts are concise vulnerability summaries for fast awareness and prioritization.
Infrastructure assessment, exposure mapping, and internal attack-chain coverage for practical testing.
Follow CVE summaries for context, then move to Red-Team for deeper techniques and examples.

A recently identified Linux kernel vulnerability, dubbed Fragnesia, allows local attackers to escalate privileges to root, marking the third such flaw discovered in a short period. Published: 2026-05-14 | Author: Patrick

Two critical zero-day vulnerabilities have been disclosed for Windows, one allowing for a bypass of BitLocker drive encryption and another enabling privilege escalation via the CTFMON service. These discoveries, codename

A sophisticated Chinese-linked threat actor, identified as FamousSparrow, has demonstrated remarkable persistence by repeatedly exploiting a Microsoft Exchange Server vulnerability against an Azerbaijani energy company.

New AI-driven security platform identifies 16 flaws, including critical remote code execution bugs, ahead of official patching. Published: 2026-05-13 | Author: Patrick Mattos Microsoft has introduced a sophisticated arti