CVE-2023-3955: Kubernetes

High severity, CVSS 8.8. EPSS: 4% chance of exploitation in the next 30 days.

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.

Affected products

• Kubernetes Kubernetes: before 1.24.17 (fixed in 1.24.17); from 1.25.0, before 1.25.13 (fixed in 1.25.13); from 1.26.0, before 1.26.8 (fixed in 1.26.8); from 1.27.0, before 1.27.5 (fixed in 1.27.5); from 1.28.0, before 1.28.1 (fixed in 1.28.1)

Published 2023-10-31. Last modified 2026-06-17.