CVE-2026-91957

LOWCVSS 3.1

Description

FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker thread creation fails after device registration. Attackers can trigger thread creation failure during channel setup to cause device pointer deallocation while devman retains a reference, leading to crash or code execution.

Timeline

Published:September 15th, 2026 4:17 PM

Last modified:September 24th, 2026 12:17 PM

CVSS Scoring

CVSS v3: 3.1 (LOW)

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

Affected Software

From NVD CPE configuration data

Vendors

freerdp

Products

freerdp

Weaknesses (CWE)

CWE-416

References & Reports

Advisories, patches, and third-party reports

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j5mq-3349-gwmmExploit
https://www.vulncheck.com/advisories/freerdp-before-3.31.0-use-after-free-via-smartcard-workerThird Party Advisory

Source: NIST NVD · Data may lag official sources by up to one minute