---
title: "CVE-2026-86563: DPDK lib/vhost - Memory Corruption"
description: "DPDK lib/vhost contains a memory corruption caused by a double-offset bug in vhost log mapping calculation, letting attackers cause incorrect memory access, exploit requires no special conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-86563/
---

# CVE-2026-86563 DPDK lib/vhost - Memory Corruption

DPDK lib/vhost contains a memory corruption caused by a double-offset bug in vhost log mapping calculation, letting attackers cause incorrect memory access, exploit requires no special conditions.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-86563)

## Details

Type

Memory Corruption

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-131](https://cwe.mitre.org/data/definitions/131.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-86563](https://nvd.nist.gov/vuln/detail/CVE-2026-86563)
- [https://access.redhat.com/security/cve/CVE-2026-86563](https://access.redhat.com/security/cve/CVE-2026-86563)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2529668](https://bugzilla.redhat.com/show_bug.cgi?id=2529668)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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