Zero-day Exploit is a attack_type tracked across 50 threat clusters and 2721 intelligence report mentions on ThreatCluster. First observed October 24, 2025; most recent activity July 17, 2026.
Google has patched a zero-day vulnerability in Chrome that lacks a CVE identifier. The details of the vulnerability, including the component affected and the identity of the reporter, remain unclear. Users of the Chrome…
Google has issued emergency updates to address the eighth zero-day vulnerability in Chrome for 2025. The flaw, identified as 466192044, was actively exploited in the wild, prompting the company to roll out fixes for…
Apple has released an urgent update to address a Zero Day vulnerability affecting its devices. Users are advised to update their software immediately to protect against potential exploits. This vulnerability was…
Cisco has addressed a maximum-severity vulnerability in AsyncOS, tracked as CVE-2025-20393, which has been actively exploited for at least a month. The flaw affects Secure Email Gateway (SEG) and Secure Email and Web…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has mandated that government agencies secure their systems against a critical Gogs vulnerability, tracked as CVE-2025-8110. This remote code execution…
Cisco has released fixes for CVE-2025-20393, a zero-day vulnerability in AsyncOS. This vulnerability has been exploited by suspected Chinese threat actors since November 2025, affecting users of Cisco's AsyncOS software.
A critical remote code execution vulnerability, tracked as CVE-2025-54322, has been identified in networking devices, allowing attackers to gain complete control over affected systems without authentication. Over 70,000…
The University of Phoenix reported a data breach on November 21, 2025, resulting from the exploitation of a zero-day vulnerability (CVE-2025-61882) in Oracle EBS. This flaw allowed threat actors to execute remote code…
A critical zero-day vulnerability, CVE-2025-14733, has been exploited in WatchGuard Firebox firewall appliances. Network administrators are facing significant challenges as they work to secure their systems against this…
APT28 has actively exploited a zero-day vulnerability in MSHTML affecting all Windows versions, which has a CVSS score of 8.8. The vulnerability allows for security bypass and poses significant risks to users. A patch…