CVE-2026-86565 DPDK - Out of Bounds Read/Write

DPDK lib/vhost contains an out-of-bounds write caused by desynchronization of virtqueue size from inflight descriptor table size, letting guest attackers corrupt host memory, exploit requires guest access.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Out Of Bounds Rw
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to the latest version of DPDK.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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