CVE-2026-13079

published 2026-07-03

CVE-2026-13079: A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker to escalate their privileges to NT…

Priority P3 41 high 7.8 CVSS 3.1

AV L AC L PR L UI N S U C H I H A H

A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker to escalate their privileges to NT AUTHORITY\SYSTEM on the machine where the client is installed.

This issue affects the Mobile VPN with SSL client for Windows up to and including 2026.2.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
watchguard	fireware	>= 12.0.0 < 12.12.1	12.12.1
watchguard	fireware	12.5 – 12.5.18	—
watchguard	fireware	>= 2025.1 < 2026.2.1	2026.2.1
watchguard	mobile_vpn_with_ssl	< 2026.2.1	2026.2.1
watchguard	mobile_vpn_with_ssl_client	>= 12.0 < 2026.2.1	2026.2.1

CVSS provenance

nvd v3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v4.0 7.3 HIGH CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-732