Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory

T2Covered by 1 source · first reported by The Hacker News at 15 Oct, 20:24 UTC

A newly disclosed critical flaw in the Linux kernel allows code inside a virtual machine to read memory on the host computer it runs on. A researcher demonstrated the leak against Vercel's live cloud sandboxes, and Vercel confirmed it. The flaw, now tracked as CVE-2026-99999 and nicknamed…