Improper privilege management in Fireware OS - CVE-2026-13079
Published: July 3, 2026
Vulnerability identifier: #VU136879
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-13079
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: WatchGuard
Affected software:
Fireware OS
Fireware OS
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper privilege management in the WatchGuard Mobile VPN with SSL client for Windows when the client is installed on a Windows machine. A local user can exploit the client to escalate privileges.
Successful exploitation can result in privileges being elevated to NT AUTHORITY\SYSTEM.
How to mitigate CVE-2026-13079
Install security update from vendor's website.