OpenAI

A suspected advanced persistent threat (APT) group linked to China exploited a newly patched vulnerability in VMware vCenter (CVE-2026-59310), which has a critical CVSS score of 9.8, allowing for arbitrary code execution and the deployment of Babuk-derived ransomware. A recently patched vulnerability in Apple macOS (CVE-2026-65400) has been exploited to deploy a cryptocurrency miner, granting unauthorized root access. The Lazarus Group from North Korea exploited a zero-day vulnerability in Microsoft Windows, targeting defense and aerospace sectors. GeoServer patched a critical SQL injection vulnerability that was actively exploited. A new macOS malware, Amnesia Stealer, targets users through ClickFix attacks, stealing data and allowing real-time access to authenticated sessions. A novel attack technique named GhostSplice can manipulate AI coding assistants. Research revealed a method exploiting Chromium's DevTools Protocol for data theft. Noteworthy CVEs this week include CVE-2026-68820, CVE-2026-58231, and multiple others across various platforms. A high-severity command injection flaw in FileRun allows remote code execution. An advanced ClickFix attack has been reported, deploying sophisticated malware. A heap overflow vulnerability in Citrix NetScaler was patched after indications of exploitation. A new malware loader targeting Portuguese-speaking users has been identified. A significant reduction in exposed Automatic Tank Gauge systems has been observed. A phishing campaign targeting Brazil has been detected, and an F.B.I. agent faces charges for unauthorized crypto withdrawals. Authorities in Ukraine dismantled fraudulent call centers, and a North Carolina man was sentenced for cyber extortion. Unauthorized access to sensitive data by the ExfilSquad group has been confirmed. LightSpy activity linked to China has been detected in over 13 countries. A supply chain attack exposed over 2,500 companies, and an Azure exfiltration campaign has exposed millions of enterprise records.