CVE-2026-13079: A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a l

Q: How do I fix CVE-2026-13079?

mobile vpn with ssl: upgrade to 2026.2.1; fireware: upgrade to 12.12.1, 2026.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-13079 being exploited?

CVE-2026-13079 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-13079 affect?

CVE-2026-13079 affects mobile vpn with ssl, fireware. Severity is high (CVSS 7.8). 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 affect

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2026-13079 is a high-severity flaw (CVSS 7.8) affecting mobile vpn with ssl, fireware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-732
Published	2026-07-03
Last modified	2026-10-25

Publisher (CNA): WatchGuard Technologies, Inc. · Vendor: watchguard

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-03 00:16 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

watchguard mobile vpn with ssl UPGRADE

Affected: < 2026.2.1

Fixed in: 2026.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mobile-vpn-with-ssl || rpm -q mobile-vpn-with-ssl || mobile-vpn-with-ssl --version

2. UPGRADE to 2026.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mobile-vpn-with-ssl

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mobile-vpn-with-ssl

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

watchguard fireware UPGRADE

Affected: >= 12.0.0 and < 12.12.1 · >= 2025.1 and < 2026.2.1 · >= 12.5 and <= 12.5.18

Fixed in: 12.12.1, 2026.2.1

Safe to downgrade to: a release before 12.0.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-13079?

mobile vpn with ssl: upgrade to 2026.2.1; fireware: upgrade to 12.12.1, 2026.2.1. Exact commands for each OS are on this page.

Is CVE-2026-13079 being exploited?

CVE-2026-13079 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-13079 affect?

CVE-2026-13079 affects mobile vpn with ssl, fireware. Severity is high (CVSS 7.8). 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 affect

How urgent is CVE-2026-13079?

Priority 28/100. High severity

Software pages

Windows vulnerabilities

References

← Back to latest CVEs