CVE-2026-79602: Xen

High severity, CVSS 8.8. EPSS: 0.1% chance of exploitation in the next 30 days.

A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.

Affected products

• Xen Xen

Published 2026-09-08. Last modified 2026-09-10.