CVE-2026-13079 WatchGuard Mobile VPN with SSL Windows Client Local Privilege Escalation

What is CVE-2026-13079?

CVE-2026-13079 is a high-severity vulnerability in Watchguard Fireware, published on 2 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-732

Which versions are affected by CVE-2026-13079?

It affects 2 products.

Products include Watchguard Fireware, Watchguard Mobile Vpn With Ssl.

How do I fix CVE-2026-13079?

No fix has been published for CVE-2026-13079 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-13079 being exploited?

There is no known exploitation of CVE-2026-13079 in the wild and no public exploit code.

Other vulnerabilities in Watchguard Fireware

• CVE-2022-26318 WatchGuard Firebox and XTM Appliances Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-14733 WatchGuard Firebox Out of Bounds Write Exploited Critical 9.3
• CVE-2025-9242 WatchGuard Firebox Out-of-Bounds Write Exploited Critical 9.3
• CVE-2022-23176 WatchGuard Firebox and XTM Privilege Escalation Exploited High 8.8
• CVE-2022-31789 Integer overflow in n/a Critical 9.8

All Watchguard Fireware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qgpj-9w2h-pcv3.