VulnCheck analysts found that vulnerabilities exploited before being publicly disclosed rose from 23.6% in 2024 to 28.96% in 2025 ...

Hackers collect $439,250 after exploiting 29 zero-day vulnerabilities on the second day of Pwn2Own Automotive 2026.

Cisco announced patches for CVE-2026-20045, a zero-day vulnerability in Unified CM that has been targeted by hackers.

AIs can create complex zero-day exploits. The consequence: The search for security vulnerabilities is successfully industrialized and scaled.

Analysis of a recent attack targeting VMware ESXi vulnerabilities from March 2025 revealed an exploit developed a year before ...

Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.

Cisco Talos reports China-linked APT UAT-8837 targeting North American critical infrastructure via a Sitecore zero-day, ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Some weeks start better than others. If you are a member of an ...

Thousands of Ivanti VPN instances have been compromised across the globe in the last five days thanks to two serious, as yet unpatched zero-day vulnerabilities disclosed last week. Ivanti Connect ...

A dangerous WhatsApp zero-day attack in the UAE can compromise smartphones through a single call, putting bank accounts and private data at serious risk.

Google’s Threat Analysis Group (TAG) and Mandiant teams observed 97 zero-day vulnerabilities exploited in the wild last year, a staggering 56% increase over 2022's 62 zero-day exploits, but shy of ...