# CVE-2026-91957

## Summary

- **CVE ID:** CVE-2026-91957
- **Severity:** LOW
- **CVSS Score:** 3.1 (CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N)
- **CWE:** CWE-416
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## 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.

## Affected Products

- FreeRDP — FreeRDP (0)
- FreeRDP — FreeRDP (3.31.0)

## References

- [CNA](https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j5mq-3349-gwmm)
- [CNA](https://www.vulncheck.com/advisories/freerdp-before-3.31.0-use-after-free-via-smartcard-worker)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 25.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._