Medium severity · published Jun 17, 2026
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Controls
6.8
CVSS
0.2%
EPSS
No
On KEV
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
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NC
Netskope Client · Netskope
before 138 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15641
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15641
www.netskope.com
https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2025-007
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