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Medium · 6.8 CVE-2025-15641 EUVD-2025-210212GHSA-jv52-q48w-cm7j

Netskope Client Exposed IOCTL with Insufficient Access Controls

Published Jun 17, 2026 · Updated Jun 17, 2026 · Assigned by Netskope

Description

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)
* Product Name: Netskope Client
* Affected Platform: Windows
* Affected Version: All version below R138

Affected products

VendorProductAffectedFixed
Netskope Netskope Client < 138 138

References