What is CVE-2026-13595?

CVE-2026-13595 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Util-linux: util-linux: heap use-after-free in libblkid nested partition probing

Which CVE IDs does CVE-2026-13595 cover?

CVE-2026-13595 covers the following CVE IDs: CVE-2026-13595. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-13595?

CVE-2026-13595 has a CVSS v3 base score of 6.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-13595?

CVE-2026-13595 affects 2 products, including: azl3 util-linux 2.40.2-4 on Azure Linux 3.0; azl3 util-linux 2.40.2-5 on Azure Linux 3.0.

CVE-2026-13595MediumCVSS 6.8

Util-linux: util-linux: heap use-after-free in libblkid nested partition probing

Vendor

Microsoft Security Response Center (MSRC)

Published

July 1, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-13595 →

🎯 Affected products2

azl3 util-linux 2.40.2-4 on Azure Linux 3.0
azl3 util-linux 2.40.2-5 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 2.40.2-5

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-13595
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade