CVE-2026-64190: net: team: fix NULL pointer dereference in team_xmit during mode change

mediumCVSS 5.5CVE-2026-64190

CSIRTS triage

What: A NULL pointer dereference issue in the team_xmit function has been fixed.
Who is affected: No specific deployments or versions are mentioned.
Urgency: The urgency is medium with a CVSS score of 5.5.
Action: Apply the relevant patches for CVE-2026-64190.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64190

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-641900.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64190	coverage & exploitation status	NVD · CVE.org

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