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Zero-Day Research

Security research, ethical hacking tutorials, cybercrime case studies, and threat intelligence from the field.

Patch Now: VMware CVE-2026-59309 Auth Bypass, Cisco Zero-Day and NGINX RCE – August 2026 Critical Vulnerabilities CVE-2026-5222
Featured · 6 min read
Patch Now: VMware CVE-2026-59309 Auth Bypass, Cisco Zero-Day and NGINX RCE – August 2026 Critical Vulnerabilities
Four critical vulnerabilities demand immediate attention: VMware CVE-2026-59309 enables unauthenticated vCenter takeover, Cisco firewall zero-day is actively exploited, NGINX heap overflow allows unauthenticated RCE, and Anthropic discloses Claude…
Aug 3, 2026 Cybersecurity News
CISA water infrastructure Cisco zero day 2026 Claude AI breach critical vulnerability August 2026
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NightmareEclipse 2026: LegacyHive Windows 0-Day Exposed — Full Attack Chain, MDE Detection Queries & Blue Team Playbook CVE-2026-5158
Blue Team
NightmareEclipse 2026: LegacyHive Windows 0-Day Exposed — Full Attack Chain, MDE Detection Queries & Blue Team Playbook
LegacyHive is an unpatched Windows 0-day (July 2026) targeting the User Profile Service. Full technical analysis of the…
Jul 16, 2026 19 min
Blue Team CVE-2026-50656 Defender Bypass