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CVE-2026-41288— WatchGuard Agent on Windows Privilege Escalation Vulnerability

Quick assessment

Affected
WatchGuard WatchGuard Agent
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.

WatchGuard Agent是美国WatchGuard公司的一款终端安全防护与设备管理代理程序。 WatchGuard Agent存在安全漏洞，该漏洞源于补丁管理组件中资源权限分配不当，可能导致经过身份验证的本地用户将权限提升至NT AUTHORITYSYSTEM。

CVSS 7.3 · High EPSS 0.15% · P3

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
WatchGuard WatchGuard Agent 1.0.0.0< 1.25.03.0000 affected
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I. Basic Information for CVE-2026-41288

Vulnerability Information
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Vulnerability Title
WatchGuard Agent on Windows Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
WatchGuard Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Agent是美国WatchGuard公司的一款终端安全防护与设备管理代理程序。 WatchGuard Agent存在安全漏洞，该漏洞源于补丁管理组件中资源权限分配不当，可能导致经过身份验证的本地用户将权限提升至NT AUTHORITYSYSTEM。
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
WatchGuard WatchGuard Agent 1.0.0.0 ~ 1.25.03.0000 -

II. Public POCs for CVE-2026-41288

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III. Intelligence Information for CVE-2026-41288

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Vendor Advisories for CVE-2026-41288 (2)

Same Patch Batch · WatchGuard · 2026-05-06 · 5 CVEs total

CVE-2026-6787 8.5 HIGH Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into
CVE-2026-6788 8.5 HIGH Uncontrolled search path in PluginLauncher allows SYSTEM code execution in WatchGuard Agen
CVE-2026-41287 7.1 HIGH Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial
CVE-2026-41286 7.1 HIGH Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial

IV. Related Vulnerabilities

Same product: WatchGuard Agent
Same vendor: WatchGuard
Same weakness: CWE-732

V. Comments for CVE-2026-41288

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