What is CVE-2026-86565?

CVE-2026-86565 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write

Which CVE IDs does CVE-2026-86565 cover?

CVE-2026-86565 covers the following CVE IDs: CVE-2026-86565. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-86565?

CVE-2026-86565 has a CVSS v3 base score of 6.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-86565?

CVE-2026-86565 affects 1 product, including: azl3 dpdk 23.11.3-1 on Azure Linux 3.0.

CVE-2026-86565MediumCVSS 6.7

Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write

Vendor

Microsoft Security Response Center (MSRC)

Published

October 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-86565 →

🎯 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-2026-86565
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade