Microsoft advisory for CVE-2026-76957 — azl3
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76957. This page also shows what EchelonGraph holds for CVE-2026-76957, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 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
🧭 EchelonGraph on CVE-2026-76957
- EchelonGraph score
- 7.8 HIGH
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
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.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2026-76957, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).