Incorrect authorization in Fortinet FortiClientWindows
Priority LOW 31CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to cause denial of service via sending a crafted request to a specific named pipe.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0021 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Fortinet | FortiClientWindows | 7.0.0 – 7.0.7; 6.4.0 – 6.4.8; 6.2.0 – 6.2.9; 6.0.0 – 6.0.10 | — | No fix listed | CNA |
- FortiClientWindows VendorFortinet Affected 7.0.0 – 7.0.7; 6.4.0 – 6.4.8; 6.2.0 – 6.2.9; 6.0.0 – 6.0.10 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* | 6.0.0 – 6.0.10; 6.2.0 – 6.2.9; 6.4.0 – 6.4.8; 7.0.0 – 7.0.7 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions 6.0.0 – 6.0.10; 6.2.0 – 6.2.9; 6.4.0 – 6.4.8; 7.0.0 – 7.0.7 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-40681
- 2026-10-03 Alias added: GHSA-ggrf-mj99-j57m
References
More Fortinet Forticlient vulnerabilities
- TI-2019-13180 An unquoted service path vulnerability in the FortiClient FortiTray component of… CVSS 3.1CRITICAL 9.8
- TI-2023-24393 Code injection in Fortinet FortiClientLinux CVSS 3.1CRITICAL 9.4
- TI-2017-10335 Information disclosure in Fortinet FortiClient for Windows CVSS 3.0HIGH 8.8
- TI-2016-06998 In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability. CVSS 3.0HIGH 8.8
- TI-2019-03954 Untrusted search path in Fortinet FortiClientWindows CVSS 3.1HIGH 8.6
- TI-2017-05007 A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0… CVSS 3.0HIGH 8.1
Sources
- CVE-2022-40681 · CVE Program
- CVE-2022-40681 · NVD
- FIRST EPSS
- GHSA-ggrf-mj99-j57m · GitHub Advisory Database · CC BY 4.0
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