SEPTEMBER 17, 2026
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Case File

CVE-2026-91957

LOW · CVSS 3.1 EPSS 0.33% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

FreeRDP versions prior to 3.31.0 are vulnerable to a use-after-free issue in the smartcard RDPDR device handler, which can be exploited when worker thread creation fails after device registration. This vulnerability allows attackers to cause a crash or potentially execute arbitrary code by triggering thread creation failures during channel setup. Organizations using FreeRDP should prioritize updates to mitigate this risk, especially those relying on smartcard functionalities.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-91957
Severity
LOW
CVSS
3.1
EPSS
0.33%

Original NVD 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.