The critical vulnerabilities of the week in the server software we watch and what it runs on: those that score CVSS 7.0 or more, and those CISA says are being exploited in the wild. This week, 3 vulnerabilities. Software Vulnerabilities Exploited Highest score Kubernetes 1 – 10.0 PHP 1 – 9.8 Windows Server 1 – 9.8 Kubernetes CVE-2026-83938 CVSS 10.0, critical · published October 22, 2026 Missin...