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HIGH

CVE-2023-3955

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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