What is CVE-2026-31663?

CVE-2026-31663 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. xfrm: hold dev ref until after transport_finish NF_HOOK

Which CVE IDs does CVE-2026-31663 cover?

CVE-2026-31663 covers the following CVE IDs: CVE-2026-31663. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31663?

CVE-2026-31663 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

CVE-2026-31663MediumCVSS 7.0

xfrm: hold dev ref until after transport_finish NF_HOOK

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-31663 →