What is CVE-2026-43220?

CVE-2026-43220 is a security advisory published by Microsoft Security Response Center (MSRC). iommu/amd: serialize sequence allocation under concurrent TLB invalidations

Which CVE IDs does CVE-2026-43220 cover?

CVE-2026-43220 covers the following CVE IDs: CVE-2026-43220. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43220?

CVE-2026-43220 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-43220CVSS 5.5

iommu/amd: serialize sequence allocation under concurrent TLB invalidations

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-43220 →