What is CVE-2026-13079?

CVE-2026-13079 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-07-03.

How severe is CVE-2026-13079?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Watchguard Fireboxcloud

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 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.

EPSS: 0.001 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory, Vendor Advisory)
5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory)

Frequently asked questions

What is CVE-2026-13079?: CVE-2026-13079 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-07-03.
How severe is CVE-2026-13079?: High severity. CVSS v3 base score is 7.8 out of 10.