What is CVE-2026-19630?

CVE-2026-19630 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Amplified resource exhaustion in inbound message processing

Which CVE IDs does CVE-2026-19630 cover?

CVE-2026-19630 covers the following CVE IDs: CVE-2026-19630. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-19630?

CVE-2026-19630 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-19630?

CVE-2026-19630 affects 2 products, including: azl3 bind 9.20.26-1 on Azure Linux 3.0; azl3 bind 9.20.29-1 on Azure Linux 3.0.

CVE-2026-19630HighCVSS 7.5

Amplified resource exhaustion in inbound message processing

Vendor

Microsoft Security Response Center (MSRC)

Published

October 30, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-19630 →

🎯 Affected products2

azl3 bind 9.20.26-1 on Azure Linux 3.0
azl3 bind 9.20.29-1 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19630
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade