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.
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
Netskope Instruções para download – Baixe o Netskope Client e os scripts – Netskope Suporte
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/
Exploração e Divulgação Pública
A Netskope não tem conhecimento de nenhuma exploração ativa da vulnerabilidade de segurança.
Special Notes and Acknowledgement
Netskope credits Juan Pablo Barriga for reporting this flaw.
Revision History
| Versão | Data | Section | Notes |
|---|---|---|---|
| 1.0 | 16 June 2026 | Initial Version |
Aviso Legal:
Na máxima extensão permitida pela legislação aplicável, as informações fornecidas neste aviso são fornecidas "como estão", sem qualquer garantia. O uso que você fizer das informações contidas neste aviso ou nos materiais aqui vinculados é de sua inteira responsabilidade. Este aviso e todos os aspectos da Política de Resposta a Incidentes de Segurança de Produtos da Netskope estão sujeitos a alterações sem aviso prévio. Não há garantia de resposta para nenhum problema específico ou classe de problemas. Seus direitos relativos a garantias, suporte e manutenção, incluindo vulnerabilidades em qualquer software ou serviço da Netskope, são regidos exclusivamente pelo contrato principal aplicável entre a Netskope e você. As declarações contidas neste aviso não modificam, ampliam ou alteram de qualquer outra forma quaisquer dos seus direitos ao abrigo do contrato principal aplicável, nem criam quaisquer garantias ou compromissos adicionais.
Sobre a 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.
