CVE-2025-26169 Race condition in VPN Client
A race condition in IXON VPN Client allows local attackers to escalate privileges to SYSTEM by overwriting a world-writable temporary configuration file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-26169?
CVE-2025-26169 is a high-severity vulnerability in IXON VPN Client, published on 7 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-732
Which versions are affected by CVE-2025-26169?
How do I fix CVE-2025-26169?
No fix has been published for CVE-2025-26169 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-26169 being exploited?
There is no known exploitation of CVE-2025-26169 in the wild and no public exploit code.
Sources
Also known as GHSA-3h4v-p542-7xmc.