CVE-2023-5528 - CVE House
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Status published High CVE-2023-5528

Kubernetes - Windows nodes - Insufficient input sanitization in in-tree storage plugin leads to privilege escalation

Vulnerability Description

A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Tomer Peled

References

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Affected Vendor

Affected Software

kubelet
Vulnerable Versions:
v1.28.0, v1.27.0, v1.26.0, 0, v1.28.4, v1.27.8, v1.26.11, v1.25.16

Timeline

Official Publish: November 14th, 2023
Last Modified: February 25th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact