VYPR
Unrated severityNVD Advisory· Published Jun 17, 2026· Updated Jun 17, 2026

Netskope Client Exposed IOCTL with Insufficient Access Controls

CVE-2025-15641

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

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