CVE-2026-24681 HIGH

CVE-2026-24681: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb

Vendor Freerdp
Product FreeRDP
Weakness CWE-416
Published February 9, 2026
Last update February 10, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, aAsynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urb_write_completion. This vulnerability is fixed in 3.22.0.

Key dates

02Disclosure timeline

February 9, 2026 CVE published
February 10, 2026 Record updated