What is CVE-2026-86567?

CVE-2026-86567 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap

Which CVE IDs does CVE-2026-86567 cover?

CVE-2026-86567 covers the following CVE IDs: CVE-2026-86567. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-86567?

CVE-2026-86567 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-86567?

CVE-2026-86567 affects 1 product, including: azl3 dpdk 23.11.3-1 on Azure Linux 3.0.

CVE-2026-86567HighCVSS 8.8

Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap

Vendor

Microsoft Security Response Center (MSRC)

Published

October 17, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-86567 →

🎯 Affected products1

azl3 dpdk 23.11.3-1 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) — fixed build 23.11.8-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-86567
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade