CVE-2025-11156 Improper Service Loading Vulnerability in Netskope Endpoint DLP Driver
A local administrator can trigger a system crash in the Netskope Client driver, causing a denial of service on the affected Windows machine.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11156?
CVE-2025-11156 is a medium-severity vulnerability in Netskope Client, published on 28 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-476
Which versions are affected by CVE-2025-11156?
How do I fix CVE-2025-11156?
No fix has been published for CVE-2025-11156 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-11156 being exploited?
There is no known exploitation of CVE-2025-11156 in the wild and no public exploit code.
Sources
Also known as GHSA-3r5x-p9rp-jrmv.