What is CVE-2026-53220?

CVE-2026-53220 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. netfilter: revalidate bridge ports

Which CVE IDs does CVE-2026-53220 cover?

CVE-2026-53220 covers the following CVE IDs: CVE-2026-53220. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-53220 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-53220MediumCVSS 5.5

Vendor

Published

June 30, 2026

Last Modified

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