What is CVE-2021-4207?

CVE-2021-4207 is a security advisory published by Microsoft Security Response Center (MSRC). CVE-2021-4207

Which CVE IDs does CVE-2021-4207 cover?

CVE-2021-4207 covers the following CVE IDs: CVE-2021-4207. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-4207?

CVE-2021-4207 has a CVSS v3 base score of 8.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-4207?

CVE-2021-4207 affects 6 products, including: Azure Linux 3.0 ARM; Azure Linux 3.0 x64; CBL Mariner 1.0 ARM; CBL Mariner 1.0 x64; CBL Mariner 2.0 ARM; and others — see the full list on the advisory page.

CVE-2021-4207CVSS 8.2

CVE-2021-4207

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-4207 →

🎯 Affected products6

Azure Linux 3.0 ARM
Azure Linux 3.0 x64
CBL Mariner 1.0 ARM
CBL Mariner 1.0 x64
CBL Mariner 2.0 ARM
CBL Mariner 2.0 x64

✅ Remediation

KBqemu-kvm (CBL-Mariner) — fixed build 4.2.0-48 KBqemu (CBL-Mariner) — fixed build 6.2.0-13 KBqemu (CBL-Mariner) — fixed build 6.2.0-18

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-4207
referencehttps://nvd.nist.gov/vuln/detail/CVE-2021-4207