CVE-2026-24683

CVE-2026-24683 is a high-severity vulnerability in Freerdp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Description

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.

Frequently asked questions

What is CVE-2026-24683?
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.
How severe is CVE-2026-24683?
CVE-2026-24683 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-24683 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24683?
CVE-2026-24683 affects Freerdp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24683?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-24683 have an EU (EUVD) identifier?
Yes. CVE-2026-24683 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6490.
When was CVE-2026-24683 published?
CVE-2026-24683 was published on 2026-02-09 and last updated on 2026-06-17.

References

Affected products (1)

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