CVE-2020-27384: Arena Guild Wars 2

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The Gw2-64.exe in Guild Wars 2 launcher version 106916 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to the improper permissions, with the 'F' flag (Full Control) for 'Everyone' group, making the entire directory 'Guild Wars 2' and its files and sub-dirs world-writable.

Affected products

• Arena Guild Wars 2: version 106916 only

Published 2021-06-09. Last modified 2026-06-17.