6.8
MEDIUM CVSS 4.0
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Controls
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

INFO

Published Date :

June 17, 2026, 1:31 a.m.

Last Modified :

June 17, 2026, 1:50 a.m.

Remotely Exploit :

No

Source :

Netskope
Affected Products

The following products are affected by CVE-2025-15641 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM bf992f6a-e49d-4e94-9479-c4cff32c62bc
Solution
Update the Netskope Client for Windows to the latest version to fix a driver tampering vulnerability.
  • Update Netskope Client to version R138 or later.
  • Verify anti-tampering protections are enabled.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-15641 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.