VULNERABILITY INTELLIGENCE

CVE-2026-22856

CVSS score8.1 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-01-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

Weakness classification

  • security-advisories@github.com: CWE-362

Primary references