Is CVE-2026-99999 in the CISA Known Exploited Vulnerabilities catalog?

CVE-2026-99999 is not currently listed in the CISA KEV catalog.

Vulnerability intelligence

CVE-2026-99999: Linux kernel vulnerability

CVE-2026-99999 sits in the host kernel, not the hypervisor. Production showed a leak; a lab chain reached host root.

2026

What WebPulse reported · 1 analysis

CVE-2026-99999 sits in the host kernel, not the hypervisor. Production showed a leak; a lab chain reached host root.

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