What is CVE-2026-40026?

CVE-2026-40026 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Sleuth Kit ISO9660 SUSP Extension Reference Out-of-Bounds Read

Which CVE IDs does CVE-2026-40026 cover?

CVE-2026-40026 covers the following CVE IDs: CVE-2026-40026. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-40026?

CVE-2026-40026 has a CVSS v3 base score of 4.4, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-40026?

CVE-2026-40026 affects 3 products, including: azl3 sleuthkit 4.12.1-1 on Azure Linux 3.0; cbl2 sleuthkit 4.9.0-4 on CBL Mariner 2.0; cbl2 sleuthkit 4.9.0-4 on CBL-Mariner 2.0.

CVE-2026-40026MediumCVSS 4.4

Sleuth Kit ISO9660 SUSP Extension Reference Out-of-Bounds Read

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-40026 →

🎯 Affected products3

azl3 sleuthkit 4.12.1-1 on Azure Linux 3.0
cbl2 sleuthkit 4.9.0-4 on CBL Mariner 2.0
cbl2 sleuthkit 4.9.0-4 on CBL-Mariner 2.0

✅ Remediation

KBRelease Notes (Security Update) KBCBL-Mariner Releases (Security Update) — fixed build 4.12.1-2

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40026
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade