What is CVE-2026-19027?

CVE-2026-19027 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. HDF5 out-of-bounds heap read in N-Bit filter decompression

Which CVE IDs does CVE-2026-19027 cover?

CVE-2026-19027 covers the following CVE IDs: CVE-2026-19027. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-19027?

CVE-2026-19027 affects 2 products, including: azl3 hdf5 1.14.6-4 on Azure Linux 3.0; azl3 hdf5 1.14.6-6 on Azure Linux 3.0.

CVE-2026-19027Medium

HDF5 out-of-bounds heap read in N-Bit filter decompression

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-19027 →

🎯 Affected products2

azl3 hdf5 1.14.6-4 on Azure Linux 3.0
azl3 hdf5 1.14.6-6 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.14.6-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19027
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade