ExpressVPN bug leaks DNS requests for Windows users with split tunneling:

Bug:

Affected versions 12.23.1-12.72.0 (May 2022-Feb 2024) with split tunneling feature.

Impact:

Exposed visited domains to user's ISP, potentially leaking browsing history.

Affected users:

Windows users with active split tunneling (about 1%).

Fix:

Upgrade to version 12.73.0 (removes split tunneling temporarily).

Alternatives:

Disable split tunneling or use ExpressVPN version 10.

Note:

All other traffic and content remain encrypted.