What is CVE-2026-63978?

CVE-2026-63978 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. net/handshake: Drain pending requests at net namespace exit

Which CVE IDs does CVE-2026-63978 cover?

CVE-2026-63978 covers the following CVE IDs: CVE-2026-63978. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-63978?

CVE-2026-63978 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-63978HighCVSS 7.1

net/handshake: Drain pending requests at net namespace exit

Vendor

Microsoft Security Response Center (MSRC)

Published

July 23, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-63978 →