CVE-2026-99999
ipv4: validate checksum_start before completing checksum
CVSS score
9.3
EPSS probability
%0.2
Risk score
0.0
Published
4 d ago
Related Security News
Articles and analysis bulletins in which the press and security publications have covered this vulnerability:
Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory
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 PwnEscape, is in the Linux kernel's networking code, not in any one cloud's setup, so it reaches the shared
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curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-99999"