---
title: "CVE-2026-114045: FreeRDP - Remote Code Execution"
description: "FreeRDP < 3.32.1 contains a heap-based buffer overflow caused by integer wraparound in rdpsnd_server_select_format() DVI_ADPCM block-alignment arithmetic, letting malicious RDP clients execute code remotely, exploit requires crafted SNDC_FORMATS PDUs."
url: https://panop.io/threat-heartbeat/CVE-2026-114045/
---

# CVE-2026-114045 FreeRDP - Remote Code Execution

FreeRDP < 3.32.1 contains a heap-based buffer overflow caused by integer wraparound in rdpsnd\_server\_select\_format() DVI\_ADPCM block-alignment arithmetic, letting malicious RDP clients execute code remotely, exploit requires crafted SNDC\_FORMATS PDUs.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-114045)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

21 October 2026

Updated

21 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Update to version 3.32.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-114045](https://nvd.nist.gov/vuln/detail/CVE-2026-114045)
- [https://www.vulncheck.com/advisories/freerdp-before-3.32.1-heap-buffer-overflow-via-rdpsnd-server-select-format](https://www.vulncheck.com/advisories/freerdp-before-3.32.1-heap-buffer-overflow-via-rdpsnd-server-select-format)
- [https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3m9q-g533-rqjq](https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3m9q-g533-rqjq)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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