In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to…
Priority HIGH 69CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9c40e02c. NOTE: the vendor reported that they "have not been able to reproduce the issue on any Windows operating system version (32-bit or 64-bit).
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00484 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:malwarebytes:malwarebytes:3.3.1.2183:*:*:*:premium:*:*:* | 3.3.1.2183 | Vulnerable | Malwarebytes |
- cpe:2.3:a:malwarebytes:malwarebytes:3.3.1.2183:*:*:*:premium:*:*:* Versions 3.3.1.2183 Vulnerable ·Malwarebytes
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5279
- 2026-10-03 Alias added: GHSA-5g84-3cjh-4qxf
References
More Malwarebytes vulnerabilities
- TI-2022-26423 Malwarebytes 4.5 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
- TI-2018-03823 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.1HIGH 7.8
- TI-2018-03831 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.1LOW 3.3
- TI-2023-11316 In Malwarebytes before 4.5.23, a symbolic link may be used delete any arbitrary file on… CVSS 3.1HIGH 7.8
- TI-2023-13578 The Malwarebytes EDR 1.0.11 for Linux driver doesn't properly ensure whitelisting of… CVSS 3.1HIGH 7.8
- TI-2018-03830 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.0HIGH 7.8
Sources
- CVE-2018-5279 · CVE Program
- CVE-2018-5279 · NVD
- FIRST EPSS
- GHSA-5g84-3cjh-4qxf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences