---
id: CVE-2026-121398
title: FreeRDP before 3.32.2 Use-After-Free via dyn-channel-dump Module
summary: >-
  FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in
  the freerdp-proxy dyn-channel-dump module during session teardown. A malicious
  RDP target can send dynamic channel data while the front client disconnects,
  let…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-416
vendor: FreeRDP
product: FreeRDP
affected:
  - FreeRDP < 3.32.2
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T14:28:01.912Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121398'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v3q2-qjvf-7rqw'
    label: GitHub Security Advisory (GHSA-v3q2-qjvf-7rqw)
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-dyn-channel-dump-module
    label: >-
      VulnCheck Advisory: FreeRDP before 3.32.2 Use-After-Free via
      dyn-channel-dump Module
tags:
  - cve.org
epss: 0.0025
epssPercentile: 0.16455
ingestedAt: '2026-11-05T19:30:42.962Z'
---

## Overview

FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy dyn-channel-dump module during session teardown. A malicious RDP target can send dynamic channel data while the front client disconnects, letting the client thread read freed ChannelData and crash the proxy process.

## Affected

- `FreeRDP < 3.32.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.