What is CVE-2026-53495?

CVE-2026-53495 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. containerd CRI ExecSync Goroutine Leak Leading to Node-Level Denial of Service

Which CVE IDs does CVE-2026-53495 cover?

CVE-2026-53495 covers the following CVE IDs: CVE-2026-53495. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-53495?

CVE-2026-53495 affects 4 products, including: azl3 containerd2 2.2.4-8 on Azure Linux 3.0; azl3 containerd2 2.3.4-1 on Azure Linux 3.0; azl3 moby-containerd-cc 1.7.7-16 on Azure Linux 3.0; azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0.

CVE-2026-53495Medium

containerd CRI ExecSync Goroutine Leak Leading to Node-Level Denial of Service

Vendor

Microsoft Security Response Center (MSRC)

Published

September 16, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-53495 →

🎯 Affected products4

azl3 containerd2 2.2.4-8 on Azure Linux 3.0
azl3 containerd2 2.3.4-1 on Azure Linux 3.0
azl3 moby-containerd-cc 1.7.7-16 on Azure Linux 3.0
azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0

✅ Remediation

Security Update Security Update — fixed build 2.3.4-1 KBRelease Notes (Security Update) KBRelease Notes (Security Update) — fixed build 2.3.4-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53495
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade