CVE-2026-24683

HIGH
2026-02-09 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 10, 2026 - 15:03 nvd
Patch available
CVE Published
Feb 09, 2026 - 19:15 nvd
HIGH 7.5

Tags

Use After Free Freerdp Redhat Suse

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.

Analysis

FreeRDP versions prior to 3.22.0 contain a use-after-free vulnerability in the input event handling mechanism where unsynchronized access to cached channel callbacks can be freed or reinitialized by concurrent channel closure operations. An attacker with network access can trigger a denial of service condition by exploiting this race condition. …

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Remediation

Within 24 hours: Identify all systems running FreeRDP and assess exposure in production environments. Within 7 days: Apply available vendor patch to all FreeRDP installations, prioritizing externally-facing systems and privileged access gateways. …

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

Vendor Status

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CVE-2026-24683 vulnerability details – vuln.today
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