CVE-2026-12167 | The Minifilter communication port for driver `GFAC_Sys_x64.s… | CVSS 7.8 HIGH

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.

Metadata

CVE ID: CVE-2026-12167
State: PUBLISHED
Assigner: certcc
Reserved: 2026-06-12 19:40 UTC
Published: 2026-07-02 14:35 UTC
Last updated: 2026-07-02 17:34 UTC
Vendor / Product: Little Orbit / GameFirst Anti-Cheat
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Little Orbit	GameFirst Anti-Cheat	—	0 ≤ 2025-07-07

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-284 Improper Access Control

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.8	HIGH	3.1	adp	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (3)