Anthropic's new ClaudeCodeSecurity tool found 500+ vulnerabilities in open-source projects. Enterprise and open-source maintainers can apply for early access. (Read More) ... .
A zero-day vulnerability is a flaw in software that goes undiscovered by the developers, which can then be found and exploited by hackers before anyone gets wind of it.
High-severity CSS flaw let malicious webpages run code inside the sandbox. Google has quietly pushed out an emergency Chrome fix after attackers were caught exploiting the browser's first reported zero-day of 2026 ... .
Tracked as CVE-2026-20700, the zero-day flaw is described as a memory corruption issue that could be exploited for arbitrary code execution... two zero-days patched in WebKit in December 2025...
Apple released several emergency security updates on Wednesday to fix a zero-day vulnerability that had already been exploited in advanced cyberattacks against its devices ...Zero-day flaw had already executed targeted attacks, Google report says.
Roses are red, violets are blue ... now get patching. What better way to say I love you than with an update? Attackers exploited a whopping six Microsoft bugs as zero-days prior to Redmond releasing software fixes on February's Patch Tuesday ... .