Improper access control in WatchGuard Agent on Windows - CVE-2026-6787

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Main Vulnerability Database Vulnerabilities #VU130263

Improper access control in WatchGuard Agent on Windows - CVE-2026-6787

Published: May 6, 2026


Vulnerability identifier: #VU130263
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-6787
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: WatchGuard
Affected software:
WatchGuard Agent on Windows

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges to SYSTEM.

The vulnerability exists due to improper access control in the agent service when handling local service interactions. A local user can exploit the chained service vulnerabilities to escalate privileges to SYSTEM.


How to mitigate CVE-2026-6787

Install security update from vendor's website.

Sources