Zero-day attacks have become a significant concern in the realm of cybersecurity, posing a formidable challenge to individuals and organizations alike. These attacks exploit vulnerabilities that are ...

Cisco released fixes for CVE-2025-20393, a CVSS 10.0 zero-day RCE flaw in AsyncOS exploited by a China-linked APT via email ...

Of the 134 Windows security flaws fixed by Microsoft in yesterday’s Patch Tuesday updates, only one was a zero-day flaw that could be potentially exploited by hackers in order to gain system ...

Just minutes into Netflix's political thriller, the United States is hit by a devastating cyberattack that brings the nation ...

Apple Inc. has released an emergency security update to address a zero-day vulnerability in its ImageIO framework that has been actively exploited in the wild. A zero-day is a previously unknown ...

Google has released an urgent update for its Chrome browser to fix a newly discovered zero-day security flaw that hackers are already exploiting. This is the sixth zero-day Chrome has faced this year, ...

The two vendors revealed details about the cyberattacks in separate disclosures Wednesday. Zero-day vulnerabilities in Cisco and SonicWall products have been exploited in new cyberattack campaigns, ...

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.

Apple has released emergency security updates to fix two zero-day vulnerabilities that attackers actively exploited in highly targeted attacks. The company described the activity as an "extremely ...

ESET Research discovered a zero-day vulnerability in WinRAR being exploited in the wild in the guise of job application documents; the weaponized archives exploited a path traversal flaw to compromise ...

A host of Cisco devices have been under attack in recent months thanks to zero-day security vulnerabilities affecting millions of appliances, and organizations should waste no time in patching them ...

On Thursday, a team of researchers led by Microsoft announced that they had discovered, and possibly patched, what they’re terming a biological zero-day—an unrecognized security hole in a system that ...