---
id: CVE-2026-39255
title: >-
  Buffer Overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 allows a
  remote attacker to execute arbitrary code via the libSSEdevice.dylib, dup_wcs
  components
summary: >-
  Buffer Overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 allows a
  remote attacker to execute arbitrary code via the libSSEdevice.dylib, dup_wcs
  components
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
published: '2026-08-17'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-39255'
references:
  - url: 'https://github.com/Cipher-Security-Labs/research/tree/main/CSL-2026-03'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00802
epssPercentile: 0.54746
ingestedAt: '2026-09-09T16:14:05.513Z'
---

## Overview

Buffer Overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 allows a remote attacker to execute arbitrary code via the libSSEdevice.dylib, dup_wcs components

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.