CVE-2026-13079
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
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 version 2026.2.
Risk Assessment
The organization is at risk of a local user gaining full control over a workstation, potentially leading to data theft, malware installation, or lateral movement within the network.
Recommendation
Immediately update the WatchGuard Mobile VPN with SSL client for Windows to a version later than 2026.2 as soon as a patch is released. Until then, restrict local access to systems with the client installed.
Other vulnerabilities in WatchGuard Mobile VPN with SSL
See all- CVE-2026-115495Medium
Cleartext Transmission of Sensitive Information vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker who can capture loopback traffic to obtain the user's VPN username and password.
- CVE-2025-1549Medium
A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client on Windows allows a local user to execute arbitrary commands with elevated privileges. This is an additional unmitigated attack path for CVE-2024-4944. The vulnerability is fixed in version 12.11.5 of the client.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS