Use After Free Vulnerability in FreeRDP Remote Desktop Protocol
CVE-2026-24678

8.7HIGH

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
9 February 2026

What is CVE-2026-24678?

FreeRDP, an open-source implementation of the Remote Desktop Protocol, is susceptible to a use after free vulnerability prior to version 3.22.0. This issue arises when a capture thread incorrectly sends sample responses through a freed channel callback following the closure of a device channel, resulting in potential memory corruption and stability complications. Users are advised to upgrade to version 3.22.0 or later to mitigate this risk. For further details and mitigation steps, refer to the official advisory.

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Deploy the Patch

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/f3ab1a161390361...
x_refsource_MISC

CVSS V4

Score:
8.7
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

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