Incorrect Permission Assignment in WatchGuard Agent for Windows Leads to Privilege Escalation

Publication date: 2026-05-06

Last updated on: 2026-05-11

Assigner: WatchGuard Technologies, Inc.

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.

CVSS Scores

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Meta Information

Published

2026-05-06

Last Modified

2026-05-11

Generated

2026-07-06

AI Q&A

2026-05-06

EPSS Evaluated

2026-07-05

NVD

CVE-2026-41288

EUVD

EUVD-2026-27836

Affected Vendors & Products

Vendor	Product	Version / Range
watchguard	agent	to 1.25.03.0000 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-732	The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect permission assignment in the patch management component of the WatchGuard Agent on Windows. It allows an authenticated local user to elevate their privileges to NT AUTHORITY\SYSTEM, which is the highest level of privilege on a Windows system.

Impact Analysis

An attacker who is already authenticated locally on the affected system can exploit this vulnerability to gain SYSTEM-level privileges. This means they could perform any action on the system, including installing software, changing configurations, accessing sensitive data, or disabling security controls.

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