Which CVE IDs does CVE-2026-76957 cover?

CVE-2026-76957 covers the following CVE IDs: CVE-2026-76957. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-76957?

CVE-2026-76957 has a CVSS v3 base score of 4.9, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-76957?

CVE-2026-76957 affects 3 products, including: azl3 cmake 3.30.3-15 on Azure Linux 3.0; azl3 expat 2.8.2-1 on Azure Linux 3.0; azl3 python3 3.12.9-14 on Azure Linux 3.0.

CVE-2026-76957MediumCVSS 4.9

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.

Vendor

Microsoft Security Response Center (MSRC)

Published

August 21, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-76957 →

🎯 Affected products3

azl3 cmake 3.30.3-15 on Azure Linux 3.0
azl3 expat 2.8.2-1 on Azure Linux 3.0
azl3 python3 3.12.9-14 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76957