CVE-2025-15641

EUVD-2025-210212

17.06.2026, 13:19

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

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
Netskope	CNA	6.8 MEDIUM	LOCAL	LOW	HIGH	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 5%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
netskope	netskope	𝑥 < 138	CNA

Common Weakness Enumeration

CWE-782 - Exposed IOCTL with Insufficient Access Control
The software implements an IOCTL with functionality that should be restricted, but it does not properly enforce access control for the IOCTL.

References

https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2025-007