CVE-2026-0665
MEDIUM
6.5
Our Analysis: General Purpose
Our model has classified this vulnerability as relevant to General Purpose Systems, helping your team prioritize efforts effectively.
Published Date
February 18, 2026
Last Modified
February 19, 2026
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Description
An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption.