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CVE-2026-15710— Netskope Client Endpoint DLP Kernel Driver Information Leakage

Quick assessment

Affected
Netskope Endpoint DLP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netskope Windows 客户端（R141 版本之前）中的端点数据泄露预防（Endpoint DLP）组件（epdlpdrv.sys）存在一个信息泄露漏洞。用户空间挂钩动态链接库（hook DLL）用于通过内核驱动程序向守护进程传递消息的内部通信通道，缺乏基于令牌的适当消息验证机制，这使得本地非特权进程能够发送未授权的查询。此外，端口消息处理器所使用的回复缓冲区在返回数据前未得到正确初始化，导致泄露了先前分配遗留的内核池内存碎片。本地非特权攻击者可利用该漏洞枚举 DLP 配置和功能标志、提取实时会话令牌，以

CVSS 6.8 · Medium EPSS 0.10% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Netskope Endpoint DLP < R141 affected
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I. Basic Information for CVE-2026-15710

Vulnerability Information
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Vulnerability Title
Netskope Client Endpoint DLP Kernel Driver Information Leakage
Source: CVE Program / CVE List V5
Vulnerability Description
An information leakage vulnerability exists in the Endpoint DLP component (epdlpdrv.sys) of Netskope Client for Windows prior to version R141. An internal communication channel used by the user-space hook DLL to pass messages through the kernel driver to the daemon lacked proper token-based message validation, allowing local unprivileged processes to send unauthorized queries. Additionally, a reply buffer used by the port message handler was not properly initialized before returning data, leaking residual kernel pool memory from prior allocations. A local unprivileged attacker could exploit this vulnerability to enumerate DLP configuration and feature flags, extract live session tokens, and read kernel memory fragments from other users' operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对未经初始化资源的使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Netskope Endpoint DLP 0 ~ R141 -

II. Public POCs for CVE-2026-15710

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III. Intelligence Information for CVE-2026-15710

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Vendor Advisories for CVE-2026-15710 (1)

IV. Related Vulnerabilities

Same product: Endpoint DLP
Same vendor: Netskope
Same weakness: CWE-908

V. Comments for CVE-2026-15710

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