Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain local standard user account
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DeliverySend crafted unbounded message to EPDLP kernel driver
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ExploitTrigger out-of-bounds heap read
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ExecutionCrash kernel driver handler (DLP offline)
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ImpactHarvest leaked per-boot memory layout data
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, read limits
MITRE ATT&CK
1 technique across 1 tactic: Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires an authenticated local user account with at least standard (non-admin) privilege on an endpoint where the Netskope Client with Endpoint DLP is installed and actively running. The attacker must be able to send IPC messages to the EPDLP kernel driver service from user space. Remote unauthenticated exploitation is not possible; the attack is strictly local. The memory layout disclosure is bounded to per-boot kernel address information, which is only useful if the attacker subsequently seeks to chain it with another local kernel vulnerability requiring ASLR bypass. |
| Impact | The CVSS 4.0 score of 6.0 is broadly reasonable for this flaw. The local attack vector (AV:L) and requirement for a standard (low-privilege) local user account (PR:L) are the primary risk limiters - remote exploitation is not possible, and anonymous network access is irrelevant. The SA:H metric captures the kernel driver crash accurately, as that component operates in a privileged ring separate from the EPDLP user-space service. EPSS data is not provided; given the niche product footprint and local-only prerequisite, real-world mass exploitation is unlikely. The memory layout leak is the more concerning secondary primitive: while the crash-induced DoS is recoverable (DLP temporarily offline), the ASLR bypass primitive could be chained with a separate write primitive in a multi-stage local privilege escalation attack. A security team - even at a mid-sized enterprise deployment in kielce where Netskope Client is centrally managed - should treat this as a scheduled patch rather than an emergency, prioritising environments where insider threat or shared-workstation scenarios elevate the risk of local attackers. No KEV listing and no public PoC have been identified, reducing urgency. The vendor advisory rating is consistent with the CVSS 4.0 assessment. |
| Exploit ScenarioDerived | A local user with a standard domain account on a Netskope-protected Windows endpoint sends a specially crafted inter-process message to the EPDLP kernel driver without administrative privileges. The driver reads beyond the message buffer boundary, triggering a crash that briefly disables DLP enforcement; simultaneously, the leaked heap data reveals kernel base addresses. No public exploit code exists, but the technique is a standard local kernel interaction primitive requiring only a user-mode account. |
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Alert meAnalysisAIv1 – Sep 10, 2026
Out-of-bounds heap read in Netskope Client's Endpoint DLP (EPDLP) service allows a local unprivileged user to crash the kernel driver handler by sending a specially crafted, unbounded message, temporarily suspending DLP policy enforcement. The flaw additionally leaks per-boot kernel memory layout information, providing an attacker a potential ASLR-bypass primitive. No public exploit code exists and the vulnerability has not been added to the CISA KEV catalog at time of analysis.
RemediationAI
Apply the patched Netskope Client version identified in vendor advisory NSKPSA-2026-008 at https://support.netskope.com/s/article/Netskope-Security-Advisory-Netskope-Client-Endpoint-DLP-Security-Notice---NSKPSA-2026-008. The exact fixed version is not independently confirmed in the available reference data, so consult the advisory directly for the target upgrade version. As a compensating control prior to patching, restrict local console and RDP access to Netskope-protected endpoints to only trusted administrative accounts, reducing the pool of principals who can send crafted messages to the EPDLP service. If the EPDLP feature is not actively required on specific endpoint classes, temporarily disabling it eliminates the attack surface entirely but will also suspend DLP enforcement on those hosts - weigh this trade-off carefully in regulated environments.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The affected component is the Netskope Endpoint DLP service (CPE: cpe:2.3:a:netskope:endpoint_dlp:*:*:*:*:*:*:*:*), a kernel-resident data loss prevention agent installed as part of the Netskope Client on endpoint systems. The service processes messages from user-space and passes them to a kernel driver handler. CWE-125 (Out-of-Bounds Read) arises when the driver fails to validate the bounds of an attacker-supplied message before reading from it, allowing reads beyond the intended buffer. The consequence is twofold: (1) the kernel driver handler dereferences out-of-bounds memory and crashes, terminating EPDLP enforcement, and (2) the heap contents read before the crash may include per-boot address layout data, which can undermine kernel ASLR. Because the kernel driver is a distinct privileged component from the user-space service, the CVSS 4.0 vector correctly models a subsequent-system availability impact (SA:H).
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Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:H
Local-only (AV:L), low-privilege user required (PR:L); kernel driver crash crosses scope boundary (S:C/A:H); memory layout leak gives C:L.
Primary rating from Vendor (Netskope).
CVSS VectorVendor: Netskope
Lifecycle Timeline
1DescriptionCVE.org
Netskope was notified of an out-of-bounds heap read affecting the Endpoint DLP (EPDLP) service of the Netskope Client. A local standard user could potentially send a specially crafted message that is not properly validated with a bounds check, likely crashing the kernel driver handler. Successful exploitation could potentially crash the EPDLP service, temporarily interrupting DLP enforcement. A successful exploit could potentially also reveal per-boot memory layout information to unauthorized users.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an unauthenticated user to inject malicious p
Netskope was made aware of a security vulnerability in its NSClient product for version 100 & prior where a malicious no
Privilege escalation and arbitrary code execution affect Netskope Endpoint DLP (EPDLP) on Windows, where a privileged lo
Netskope was notified about a security gap in Netskope Client enrollment process where NSClient is using a static token
The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start variou
The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts
The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts
Anti-tampering bypass in Netskope Client for Windows (all versions prior to R138) allows a local administrator to send c
Tamper Protection bypass in Netskope Client for Windows allows a malicious local administrator to disable or subvert the
The Endpoint DLP kernel driver (epdlpdrv.sys) in Netskope Client for Windows before release R141 exposes two overlapping
Netskope was notified about a potential gap in its Endpoint DLP Module for Netskope Client on Windows systems.
Netskope's Endpoint DLP Module for Windows is vulnerable to an integer overflow in its DLL Injector that can be triggere
EUVD-2026-75879
GHSA-4pvv-6pg2-px66
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB