Microsoft releases an urgent out-of-band update for a critical Office zero-day flaw already exploited in real-world attacks.

Microsoft released patches for CVE-2026-21509, a new Office zero-day vulnerability that can be exploited to bypass security features.

Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks ...

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

As the three-day hacking frenzy that is Pwn2Own Berlin comes to an end, the staggering extent of the skill displayed by the hackers taking part has been confirmed. With a total of no less than 28 ...

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

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

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

With the popularity of the Netflix series Zero Day among cybersecurity experts and others, the show has evolved into an interesting reference for comprehending the far-reaching effects of zero-day ...

Vulnerabilities in enterprise network and security appliances accounted for nearly half of the zero-day flaws exploited by attackers last year, according to Google’s Threat Intelligence Group.

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 ...