What is CVE-2026-20213?

CVE-2026-20213 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability

Which CVE IDs does CVE-2026-20213 cover?

CVE-2026-20213 covers the following CVE IDs: CVE-2026-20213. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-20213?

CVE-2026-20213 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-20213?

CVE-2026-20213 affects 1 product, including: azl3 clamav 1.5.2-3 on Azure Linux 3.0.

CVE-2026-20213HighCVSS 7.5

ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-20213 →

🎯 Affected products1

azl3 clamav 1.5.2-3 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 1.5.3-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20213
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade