What is CVE-2026-31684?

CVE-2026-31684 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. net: sched: act_csum: validate nested VLAN headers

Which CVE IDs does CVE-2026-31684 cover?

CVE-2026-31684 covers the following CVE IDs: CVE-2026-31684. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31684?

CVE-2026-31684 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-31684MediumCVSS 5.5

net: sched: act_csum: validate nested VLAN headers

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-31684 →