CVE-2026-24683: Freerdp

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

FreeRDP is a free implementation of the Remote Desktop Protocol. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.

Affected products

• Freerdp Freerdp: before 3.22.0 (fixed in 3.22.0)

Published 2026-02-09. Last modified 2026-06-17.