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Netskope Security Advisory

NSKPSA-2025-008 - Netskope Client Service Insufficient Access Controls

Netskope Security Advisory – Netskope Client Security Advisory

Netskope is notified about a potential gap in its Netskoped Client for Windows systems where a malicious insider with admin privileges can lead to bypassing the NSClient Tamper Protections due to weak Discretionary Access Control List (DACLs) on the service object and related registry keys, and lack of kernel-enforced self-protection in Netskope Client.

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Security Advisory ID: NSKPSA-2025-008

Version: 1.0

Status: Published

First Published: June 16, 2026

 

Description
Netskope is notified about a potential gap in its Netskoped Client for Windows systems where a malicious insider with admin privileges can lead to bypassing the NSClient Tamper Protections due to weak Discretionary Access Control List (DACLs) on the service object and related registry keys, and lack of kernel-enforced self-protection in Netskope Client.

 

Affected Product(s) and Version(s)
Product Name: Netskope Client
Affected Platform: Windows
Affected Version: All version below R138

CVE-ID(s)
CVE-2025-15642

 

Remediation
Netskope has released a security patch for the issue. Please see below

  • Patch versions: R138 and above

 

Netskope download Instructions – Download Netskope Client and Scripts – Netskope Support

 

Workaround
There are no workarounds available at this time.

 

General Security Best Practices
Netskope recommends using security hardening options available in the product and configuring them to harden the security of a Netskope tenant- https://docs.netskope.com/en/secure-tenant-configuration-and-hardening/

 

Exploitation and Public Disclosures
Netskope is not aware of any active exploitation of the security issue.

 

Special Notes and Acknowledgement
Netskope credits Juan Pablo Barriga for reporting this flaw.

 

Revision History

VersionDateSectionNotes
1.016 June 2026Initial Version

 

Legal Disclaimer:
To the maximum extent permitted by applicable law, information provided in this notice is provided “as is” without warranty of any kind. Your use of the information in this notice or materials linked herein are at your own risk. This notice and all aspects of Netskope’s Product Security Incident Response Policy are subject to change without notice. Response is not guaranteed for any specific issue or class of issues. Your entitlements regarding warranties, support and maintenance, including vulnerabilities in any Netskope software or service, are governed solely by the applicable master agreement between Netskope and you. The statements in this notice do not modify, enlarge or otherwise amend any of your rights under the applicable master agreement, or create any additional warranties or commitments.

 

About Netskope
Netskope (NASDAQ: NTSK), a leader in modern security and networking for the cloud and AI era, addresses the needs of both security and networking teams by providing optimized access and real-time, context-based security for the AI ecosystem inclusive of agents, applications, tools, LLMs, people, devices, and data. Thousands of customers, including more than 30 of the Fortune 100, trust the Netskope One platform, its Zero Trust Engine, and its powerful NewEdge network to reduce risk and gain full visibility and control over cloud, AI, SaaS, web, and private applications – providing security and accelerating performance without trade-offs. Learn more at www.netskope.com, Netskope.ai, on LinkedIn, and Instagram.