CVE-2026-13079

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductWatchguard Mobile Vpn With Ssl
PublishedJul 3, 2026
First seenJul 3, 2026
Weakness typeCWE-732CWE-732

How to fix

Update
  • watchguard mobile_vpn_with_ssl2026.2.1 or later
  • watchguard fireware12.12.1, 2026.2.1 or later

Affected products

ProductAffected versionsFixed in
watchguard mobile_vpn_with_sslv < 2026.2.12026.2.1
watchguard fireware12.0.0 ≤ v < 12.12.1, 2025.1 ≤ v < 2026.2.1, 12.5 ≤ v ≤ 12.5.1812.12.1, 2026.2.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-13079 · Watchguard Mobile Vpn With Ssl · Dark Radar