The Minifilter communication port for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to access privileged driver functionality via a communication interface that lacks appropriate access restrictions.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0011.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Little Orbit GameFirst Anti-Cheat affected
Version Status Constraints
0 affected ≤ 2025-07-07

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/FzRsLLaSheR/CVE-2026-12166_CVE-2026-12167_CVE-2026-12168 cve-icon
https://kb.cert.org/vuls/id/639124 cve-icon
https://www.littleorbit.com/ cve-icon
History

Fri, 03 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Thu, 02 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Thu, 02 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 02 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
Description The Minifilter communication port for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to access privileged driver functionality via a communication interface that lacks appropriate access restrictions.
Title CVE-2026-12167
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-07-02T17:34:47.803Z

Reserved: 2026-06-12T19:40:33.666Z

Link: CVE-2026-12167

cve-icon Vulnrichment

Updated: 2026-07-02T17:34:37.820Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-03T06:15:03Z

Weaknesses

No weakness.