CVE-2023-5528

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

Published Nov 14, 2023 CVSS 3.1 · 7.2 High EPSS 4.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-hq6q-c2x6-hmch Kubernetes Improper Input Validation vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Feb 25, 2026, 5:20 PM
Reserved
Oct 11, 2023, 4:12 PM
Status
Analyzed
Published
Nov 14, 2023, 9:15 PM
Modified
Jun 17, 2026, 6:48 AM
Severity
Important
Public date
Nov 14, 2023, 4:00 PM