CVE-2026-12167 | BDVDB-2026-345137 Detail

Little OrbitGameFirst Anti-Cheat

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-284 Improper Access Control

References#

Exploit#

No public exploit known

History#

Version 12026-07-02Record published in the CVE List.

Published

Published: 2026-07-02
Last modified: 2026-07-02

Vendor information

Vendor: Little Orbit
Product: GameFirst Anti-Cheat

All Little Orbit vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2025-07-07
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).