Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security ...

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

Cisco has released urgent security updates to patch a critical zero-day vulnerability in its Unified Communications and Webex ...

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 security appliances.

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 ...

Chinese hackers are behind attacks on AsyncOS Software that allow complete takeover of the appliance, the company says.

iOS 26.2 patches these zero-day bugs and more Apple writes online that iOS 26.2 patches more than two dozen bugs on your iPhone. And the company wrote that two of those bugs could be used in ...

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 ...

In an advertisement of sensational disclosure that has stirred sensations in the cybersecurity circle, Samsung has hurried out to mend a critical zero-day flaw that has already been thoroughly abused ...

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, ...