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

Published Jul 2, 2026
·
Updated

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 Software

43 affected components
WatchGuard Mobile VPN with SSL client for Windows<=2026.2
WatchGuard Mobile VPN with SSL Windows<2026.2.1
All of the following
WatchGuard Fireware>=12.0.0<12.12.1
Any of the following
WatchGuard Firebox M270
WatchGuard Firebox M290
WatchGuard Firebox M370
WatchGuard Firebox M390
WatchGuard Firebox M440
WatchGuard Firebox M4600
WatchGuard Firebox M470
WatchGuard Firebox M4800
WatchGuard Firebox M5600
WatchGuard Firebox M570
WatchGuard Firebox M5800
WatchGuard Firebox M590
WatchGuard Firebox M670
WatchGuard Firebox M690
WatchGuard Firebox Nv5
WatchGuard Firebox T20
WatchGuard Firebox T25
WatchGuard Firebox T40
WatchGuard Firebox T45
WatchGuard Firebox T55
WatchGuard Firebox T70
WatchGuard Firebox T80
WatchGuard Firebox T85
WatchGuard Fireboxcloud
WatchGuard Fireboxv
All of the following
WatchGuard Fireware>=2025.1<2026.2.1
Any of the following
WatchGuard Firebox M295
WatchGuard Firebox M395
WatchGuard Firebox M495
WatchGuard Firebox M595
WatchGuard Firebox M695
WatchGuard Firebox T115-w
WatchGuard Firebox T125
WatchGuard Firebox T125-w
WatchGuard Firebox T145
WatchGuard Firebox T145-w
WatchGuard Firebox T185
All of the following
WatchGuard Fireware>=12.5<=12.5.18
Any of the following
WatchGuard Firebox T15
WatchGuard Firebox T35

Event History

Jul 2, 2026
CVE Published
via MITRE·11:07 PM
Data Sourced
via MITRE·11:07 PM
DescriptionWeakness
Jul 3, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-13079?

The severity of CVE-2026-13079 is rated as high with a CVSS score of 7.3.

2

How do I fix CVE-2026-13079?

To fix CVE-2026-13079, update the WatchGuard Mobile VPN with SSL client for Windows to the latest version provided by WatchGuard.

3

What type of vulnerability is CVE-2026-13079?

CVE-2026-13079 is a local privilege escalation vulnerability.

4

Who is affected by CVE-2026-13079?

CVE-2026-13079 affects users of the WatchGuard Mobile VPN with SSL client for Windows installed on their machines.

5

What impact does CVE-2026-13079 have?

CVE-2026-13079 allows a local attacker to escalate their privileges to NT AUTHORITY\SYSTEM on the affected machine.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203