Use After Free Vulnerability in FreeRDP Remote Desktop Protocol
CVE-2026-24676

7.7HIGH

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
9 February 2026

What is CVE-2026-24676?

FreeRDP, an open-source implementation of the Remote Desktop Protocol, contains a vulnerability where the AUDIN format renegotiation process improperly frees the active format list while the capture thread continues to utilize the existing format. This leads to a use after free condition in the audio_format_compatible function, posing risks of data corruption or exploitation. The issue has been addressed in version 3.22.0.

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Affected Version(s)

FreeRDP < 3.22.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/commit/026b81ae5831ac1...
x_refsource_MISC

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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