Improper access control in WatchGuard Agent on Windows - CVE-2026-6787
Published: May 6, 2026
Vulnerability identifier: #VU130263
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2026-6787
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
WatchGuard Agent on Windows
How to mitigate CVE-2026-6787
Install security update from vendor's website.
WatchGuard Agent on Windows - update to 1.25.03.0000