Microsoft fixes Windows Server VMs broken by October updates
Microsoft fixed a known issue causing blue screens and boot failures in Windows Server 2022 virtual machines (VMs) deployed on VMware ESXi hosts. [...]
VMware provides virtualization and cloud infrastructure software; flaws or misconfigurations can expose hosts, workloads, credentials, and management systems.
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Background for this topic.
VMware is a virtualization platform that runs multiple virtual machines on shared physical servers. Its ESXi hypervisor provides the underlying isolation, while vCenter Server centrally manages hosts, virtual machines, networks, and storage. Because these components operate beneath or across many workloads, compromise of a host or management account can expose multiple systems; virtual-machine isolation reduces risk but is not an absolute security boundary.
Security teams should treat ESXi hosts and management services as privileged infrastructure: restrict management interfaces, separate administrative networks, enforce strong authentication and role-based access, monitor administrative actions, and promptly assess security advisories and patches. Vulnerabilities in the hypervisor, management plane, or virtual networking and storage layers can enable unauthorized access, guest-to-host escape, or service disruption, depending on the flaw and configuration. Incident investigations should also account for host and vCenter logs, snapshots, templates, and backups, which can contain sensitive data or retained credentials.
Microsoft fixed a known issue causing blue screens and boot failures in Windows Server 2022 virtual machines (VMs) deployed on VMware ESXi hosts. [...]
VMware is warning of a critical and unpatched security flaw in Cloud Director that could be exploited by a malicious actor to get around authentication protections
Plus: VMware closes critical hole, Adobe fixes a whopping 76 flaws Patch Tuesday Heads up: Microsoft's November Patch Tuesday includes fixes for about 60 vulnerabilities – including three that have already been found and abused in the wild.…
VMware disclosed a critical and unpatched authentication bypass vulnerability affecting Cloud Director appliance deployments. [...]