FreeRDP <3.22.0 Use-After-Free via unsynchronized channel_callback
CVE-2026-24683 Published on February 9, 2026
FreeRDP has a heap-use-after-free in ainput_send_input_event
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.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-24683 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-24683
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Affected Versions
FreeRDP Version < 3.22.0 is affected by CVE-2026-24683Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.