CVSS v3
8.8
HIGH
EPSS Score
3.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2023-10-31
Frequently asked questions
What is CVE-2023-3955?
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.
Is CVE-2023-3955 actively exploited?
Active exploitation of CVE-2023-3955 has not been confirmed. Its EPSS score was 3.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-3955?
CVE-2023-3955 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2023-3955 affecting your environment?
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