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PatchSiren cyber security CVE debrief

CVE-2026-39255 SteelSeries CVE debrief

A buffer overflow vulnerability exists in SteelSeries GG (macOS) v.107.0.0, which could allow a remote attacker to execute arbitrary code via the libSSEdevice.dylib and dup_wcs components. The CVSS score is 9.8, indicating a critical severity. The CVE was published on 2026-08-17T21:16:44.823Z and last modified on 2026-09-09T16:04:24.933Z. Defenders should assess exposure and prioritize verification and patching. The vulnerability poses a critical risk to deployments. Verify vulnerability status and apply patches or mitigations if available.

Vendor
SteelSeries
Product
GG (macOS) v.107.0.0
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-17
Original CVE updated
2026-09-09
Advisory published
2026-08-17
Advisory updated
2026-09-09

Who should care

Defenders responsible for SteelSeries GG (macOS) v.107.0.0 deployments should assess exposure and prioritize verification and patching. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify the vulnerability status and apply patches or mitigations if available.

Why it matters

The buffer overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 could allow a remote attacker to execute arbitrary code, posing a critical risk to deployments.

  • Verify vulnerability status of SteelSeries GG (macOS) v.107.0.0
  • Apply patches or mitigations if available
  • Monitor for potential exploitation attempts

Technical summary

The buffer overflow vulnerability in SteelSeries GG (macOS) v.107.0.0 could allow a remote attacker to execute arbitrary code via the libSSEdevice.dylib and dup_wcs components. The CVSS score is 9.8, indicating a critical severity. This vulnerability affects SteelSeries GG (macOS) v.107.0.0 deployments. Defenders should prioritize verifying the vulnerability status and applying patches or mitigations if available.

Defensive priority

Defenders should prioritize verifying the vulnerability status of SteelSeries GG (macOS) v.107.0.0 and applying patches or mitigations if available.

Recommended defensive actions

  • Verify the vulnerability status of SteelSeries GG (macOS) v.107.0.0
  • Apply patches or mitigations if available
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the buffer overflow vulnerability in SteelSeries GG (macOS) v.107.0.0. However, the corpus does not establish versions, exploitation, impact, or remediation beyond vendor statements.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39255 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39255

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-39255 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39255

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.