CVE-2023-3955

highCVSS 8.8covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: Insufficient input sanitization on Windows nodes allows privilege escalation.
Who is affected: Kubernetes clusters running Windows nodes.
Urgency: High priority; CVSS 8.8 severity with clear privilege escalation path.
Action: Upgrade Kubernetes to patched version or apply Windows node input sanitization fix.

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

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Moderate exploitation risk3.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 88% of all EPSS-scored CVEs.

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