What is CVE-2026-77409?

CVE-2026-77409 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. RabbitMQ amqp091-go: Denial of Service via Synchronous Event Channel Blocking

Which CVE IDs does CVE-2026-77409 cover?

CVE-2026-77409 covers the following CVE IDs: CVE-2026-77409. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-77409?

CVE-2026-77409 affects 4 products, including: azl3 keda 2.14.1-18 on Azure Linux 3.0; azl3 keda 2.14.1-19 on Azure Linux 3.0; azl3 telegraf 1.31.0-31 on Azure Linux 3.0; azl3 telegraf 1.31.0-33 on Azure Linux 3.0.

CVE-2026-77409Medium

RabbitMQ amqp091-go: Denial of Service via Synchronous Event Channel Blocking

Vendor

Microsoft Security Response Center (MSRC)

Published

September 19, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-77409 →

🎯 Affected products4

azl3 keda 2.14.1-18 on Azure Linux 3.0
azl3 keda 2.14.1-19 on Azure Linux 3.0
azl3 telegraf 1.31.0-31 on Azure Linux 3.0
azl3 telegraf 1.31.0-33 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) Security Update

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77409
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade