What is CVE-2026-63209?

CVE-2026-63209 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Integer Overflow or Wraparound and Out-of-bounds Write in compress

Which CVE IDs does CVE-2026-63209 cover?

CVE-2026-63209 covers the following CVE IDs: CVE-2026-63209. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-63209?

CVE-2026-63209 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-63209?

CVE-2026-63209 affects 2 products, including: azl3 keda 2.14.1-19 on Azure Linux 3.0; azl3 telegraf 1.31.0-33 on Azure Linux 3.0.

CVE-2026-63209HighCVSS 7.5

Integer Overflow or Wraparound and Out-of-bounds Write in compress

Vendor

Microsoft Security Response Center (MSRC)

Published

October 3, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-63209 →

🎯 Affected products2

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

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63209
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade