PT-2025-48334 · Netskope · Nos Client +1

Published 2025-11-28 · Updated 2025-11-28 · CVE-2025-11156

Positive Technologies · (AI Summary)

CVSS v4.0

5.9

5.9

Medium

Base vector

AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Netskope versions (affected versions not specified)

Description A flaw exists in the Netskope agent (NS Client) on Windows systems. A local, authenticated user with Administrator privileges can improperly load the driver as a generic kernel service, triggering a system crash (Blue-Screen-of-Death) and resulting in a Denial of Service (DoS) for the affected machine.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

LPE

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-11156

Affected Products

Nos Client

Netskope

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-11156 · Security Note
• https://twitter.com/VulmonFeeds/status/1994449239624106456 · Twitter Post
• https://netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2025-005 · Note
• https://twitter.com/CVEnew/status/1994419149351551032 · Twitter Post