What is CVE-2026-63623?

CVE-2026-63623 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Libvirt: information disclosure via world-readable storage volume images during clone/convert

Which CVE IDs does CVE-2026-63623 cover?

CVE-2026-63623 covers the following CVE IDs: CVE-2026-63623. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-63623?

CVE-2026-63623 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-63623?

CVE-2026-63623 affects 1 product, including: azl3 libvirt 10.10.0-2 on Azure Linux 3.0.

CVE-2026-63623MediumCVSS 5.5

Libvirt: information disclosure via world-readable storage volume images during clone/convert

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-63623 →

🎯 Affected products1

azl3 libvirt 10.10.0-2 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 10.10.0-3

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63623
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade