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CVE-2025-26169
IXON VPN Client before 1.4.4 on Windows allows Local Privilege Escalation to SYSTEM because there is code execution from a configuration file that can be controlled by a low-privileged user. There is a race condition in which a temporary configuration file, in a world-writable directory, can be overwritten.
This record: live connection— last retrieved: 7 November 2026 at 03:37.
Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.
IXON VPN Client before 1.4.4 on Windows allows Local Privilege Escalation to SYSTEM because there is code execution from a configuration file that can be controlled by a low-privileged user. There is a race condition in which a temporary configuration file, in a world-writable directory, can be overwritten.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
LOCAL
Privileges required
NONE
User interaction
NONE
Confidentiality
High
Integrity
High
Availability
High
Probability of exploitation within 30 days
0.2%
Percentile
13e
Source: FIRST.org, updated on 6 November 2026.
Obtain the updated VPN software (version >= 1.4.4) from https://cloud.lenze.digital/fleet-manager/tools and run the installer on a windows and macOS system or run the following commands in an linux system: tar -xzf vpn_client_x64.tar.gz cd vpn_client_x64 sudo ./install
Our own interpretation and context for the source data above.
IACS Radar assessment
Our own interpretation and context for this vulnerability — not an official source.
IACS Radar priority score
Based on CVSS 8.1, EPSS 0.2%, industrial relevance 40/100.
Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.
Conditions for exploitation
Operational impact & energy relevance
Possible loss of visibility of or control over the process upon successful exploitation.
No strong energy-sector-specific signals recognised; general OT/ICS relevance.
Recommended defensive measures
Industrial relevance score
Classification is provisional; manual verification by an OT security analyst is recommended.
Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 7 November 2026.
IEC 62443 mapping
Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.