CVE-2026-34009
Received Received - Intake

Improper Isolation in QNAP Notes Station 3

Publication date: 2026-10-15

Last updated on: 2026-10-15

Assigner: QNAP Systems, Inc.

Description
An improper isolation or compartmentalization vulnerability has been reported to affect Notes Station 3. If a local attacker gains an administrator account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Notes Station 3 3.9.11 and later

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Meta Information

Published
2026-10-15
Last Modified
2026-10-15
Generated
2026-10-15
AI Q&A
2026-10-15
EPSS Evaluated
N/A
NVD
CVE-2026-34009
EUVD
EUVD-2026-101985

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
QNAP Systems Inc. Notes Station 3 3.9.x

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-653 The product does not properly compartmentalize or isolate functionality, processes, or resources that require different privilege levels, rights, or permissions.

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Executive Summary

This is an improper isolation or compartmentalization vulnerability in Notes Station 3. If a local attacker gains administrator access, they can exploit it to compromise the system's security.

Impact Analysis

If an attacker gains administrator access, they could exploit this vulnerability to take control of the system, potentially accessing sensitive data or performing unauthorized actions.

Mitigation Strategies

Update Notes Station 3 to version 3.9.11 or later to address the vulnerability. Ensure no unauthorized administrator accounts exist and monitor system access for suspicious activity.

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