IT Services Circle

Oct 20, 2026 · Information Security

CVE-2026-99999 VM Escape Flaw: Why You Must Backup VPS Data Immediately

A critical Linux kernel vulnerability (CVE-2026-99999) in IPv4 networking allows attackers to escape virtual machines and execute code on the host; major VPS providers are emergency-patching and rebooting hosts, so users should immediately backup data and confirm provider patch schedules since guest kernel updates cannot fix this host-level flaw.