Oct 19, 2026
securitylinux
PwnEscape (CVE-2026-99999): The Linux VM-to-Host Escape Risk
PwnEscape (CVE-2026-99999) is a Linux kernel networking flaw that lets a malicious virtual-machine guest target its host. Researchers confirmed host-memory disclosure in production sandboxes and demonstrated host crashes and host-root execution in controlled environments. Here is what the reports establish and what host operators should do.
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