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.

Metrics

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.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Little Orbit
  • Gamefirst Anti-cheat

No data.

No data.

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

Tue, 07 Jul 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-640

Mon, 06 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
First Time appeared Little Orbit
Little Orbit gamefirst Anti-cheat
Vendors & Products Little Orbit
Little Orbit gamefirst Anti-cheat

Mon, 06 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-285

Mon, 06 Jul 2026 02:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-285

Sun, 05 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-272
CWE-284

Sun, 05 Jul 2026 02:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-272
CWE-284

Sat, 04 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Sat, 04 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

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
cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-07-02T14:35:47.922Z

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.