CVE-2026-2638 X-VPN macOS website versions - Local Privilege Escalation
A local attacker can exploit a race condition and symlink manipulation in the quarantine workflow to achieve privileged file corruption and escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2638?
CVE-2026-2638 is a high-severity vulnerability in X-VPN macOS website, published on 9 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the quarantine and restore workflow of the X-VPN macOS website versions 77.0 through 77.5 allow a local attacker to leverage a race condition and symlink manipulation to achieve privileged file corruption.
Weakness: CWE-367
Which versions are affected by CVE-2026-2638?
How do I fix CVE-2026-2638?
No fix has been published for CVE-2026-2638 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2638 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2638 exists.
Sources
Also known as GHSA-3r66-j4hr-jmxj.