CVE-2025-11156 - CVE House

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Status published Medium CVE-2025-11156

Improper Service Loading Vulnerability in Netskope Endpoint DLP Driver

5.9 CVSS

Vulnerability Description

Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, a local, authenticated user with Administrator privileges can improperly load the driver as a generic kernel service. This triggers the flaw, causing a system crash (Blue-Screen-of-Death) and resulting in a Denial of Service (DoS) for the affected machine.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Ahmad Abdillah bin Zaini

References

https://www.netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2025-005

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Heap Overflow in Netskope Endpoint DLP Driver

Out-of-Bounds Read Vulnerability in Netskope Client

Netskope Client Service Insufficient Access Controls

Netskope Client Exposed IOCTL with Insufficient Access Controls

Endpoint DLP Driver Filter Communication Port Integer Overflow

Affected Vendor

Netskope

View all reports →

Affected Software

Netskope Client

Vulnerable Versions:

0

Timeline

Official Publish: November 28th, 2025

Last Modified: November 28th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1499.004 Application or System Exploitation

T1489 Service Stop

T1203 Exploitation for Client Execution

T1190 Exploit Public-Facing Application