CVE-2026-3991— Elevation of Privileges in Symantec Data Loss Prevention Windows Endpoint
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I. Basic Information for CVE-2026-3991
Vulnerability Information
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Vulnerability Title
Elevation of Privileges in Symantec Data Loss Prevention Windows Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Symantec Data Loss Prevention Windows Endpoint, prior to 25.1 MP1, 16.1 MP2, 16.0 RU2 HF9, 16.0 RU1 MP1 HF12, and 16.0 MP2 HF15, may be susceptible to a Elevation of Privilege vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
从非可信控制范围包含功能例程
Source: NVD (National Vulnerability Database)
Vulnerability Title
Broadcom Symantec Data Loss Prevention Windows Endpoint 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Broadcom Symantec Data Loss Prevention Windows Endpoint是美国博通（Broadcom）公司的一款终端数据防泄漏安全软件。 Broadcom Symantec Data Loss Prevention Windows Endpoint存在安全漏洞，该漏洞源于权限提升漏洞，可能导致攻击者获取提升的访问权限。以下版本受到影响：25.1 MP1之前版本、16.1 MP2之前版本、16.0 RU2 HF9之前版本、16.0 RU1 MP1 HF12之前版本和16
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Broadcom | Data Loss Prevention | 25.1.00100.60229 | - |
II. Public POCs for CVE-2026-3991
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: Broadcom
- CVE-2026-3862
Cross-Site Scripting Vulnerability in SiteMinder Administrat - CVE-2025-13919
Component Object Model (COM) Hijacking in Symantec Endpoint - CVE-2025-13918
Elevation of Privileges in Symantec Endpoint Protection Wind - CVE-2025-13917
Elevation of Privileges in Web Security Services (WSS) Agent - CVE-2025-69276
Spectrum insecure deserialiation
Same weakness: CWE-829
- CVE-2026-45184
Kdenlive 26.04.1前代理参数注入漏洞 - CVE-2026-43571
OpenClaw < 2026.4.10 - Untrusted Workspace Plugin Shadow Res - CVE-2026-43569
OpenClaw < 2026.4.9 - Untrusted Provider Plugin Auto-enablem - CVE-2026-43003
OpenStack ironic-python-agent 安全漏洞 - CVE-2026-41396
OpenClaw < 2026.3.31 - Environment Variable Override of Plug
V. Comments for CVE-2026-3991
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