What is CVE-2026-20217?

CVE-2026-20217 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. ClamAV PESpin File Format Processing Out-of-Bounds Memory Corruption Vulnerability

Which CVE IDs does CVE-2026-20217 cover?

CVE-2026-20217 covers the following CVE IDs: CVE-2026-20217. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-20217?

CVE-2026-20217 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-20217HighCVSS 7.5

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

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-20217 →