CVE-2026-39255 — CRITICAL (9.8)

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-120

References

https://github.com/Cipher-Security-Labs/research/tree/main/CSL-2026-03

FAQ

What is CVE-2026-39255?

CVE-2026-39255 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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

How severe is CVE-2026-39255?

CVE-2026-39255 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-39255?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.