What is CVE-2026-7210?

CVE-2026-7210 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection

Which CVE IDs does CVE-2026-7210 cover?

CVE-2026-7210 covers the following CVE IDs: CVE-2026-7210. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-7210?

CVE-2026-7210 affects 7 products, including: azl3 expat 2.6.4-6 on Azure Linux 3.0; azl3 python3 3.12.14-1 on Azure Linux 3.0; azl3 python3 3.12.14-2 on Azure Linux 3.0; azl3 python3 3.12.9-10 on Azure Linux 3.0; azl3 python3 3.12.9-11 on Azure Linux 3.0; and others — see the full list on the advisory page.

CVE-2026-7210Low

The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-7210 →

🎯 Affected products7

azl3 expat 2.6.4-6 on Azure Linux 3.0
azl3 python3 3.12.14-1 on Azure Linux 3.0
azl3 python3 3.12.14-2 on Azure Linux 3.0
azl3 python3 3.12.9-10 on Azure Linux 3.0
azl3 python3 3.12.9-11 on Azure Linux 3.0
azl3 python3 3.12.9-13 on Azure Linux 3.0
azl3 python3 3.12.9-14 on Azure Linux 3.0

✅ Remediation

Security Update KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7210
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade