What is CVE-2026-62994?

CVE-2026-62994 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin

Which CVE IDs does CVE-2026-62994 cover?

CVE-2026-62994 covers the following CVE IDs: CVE-2026-62994. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-62994?

CVE-2026-62994 has a CVSS v3 base score of 3.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-62994?

CVE-2026-62994 affects 2 products, including: azl3 coredns 1.11.4-17 on Azure Linux 3.0; azl3 coredns 1.11.4-20 on Azure Linux 3.0.

CVE-2026-62994LowCVSS 3.7

CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin

Vendor

Microsoft Security Response Center (MSRC)

Published

July 23, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-62994 →

🎯 Affected products2

azl3 coredns 1.11.4-17 on Azure Linux 3.0
azl3 coredns 1.11.4-20 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 1.11.4-20

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62994
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade