CVE-2026-70465

CVE Enrichment

CVSS: 8.1 HIGH
EPSS: 0.52%
EPSS Percentile: 43.11%
CISA KEV: Not listed

Description

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted host to execute arbitrary code via malicious packets.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 12-Aug-2026 19:19
Last Modified: 24-Oct-2026 22:10
EPSS Date: 2026-10-24
CWE: CWE-120

CVSS Vector


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

Affected Products / Versions

fortinet / forticlient
Version / affected range: * · from (inclusive) 7.2.0 · before (exclusive) 7.2.12
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
fortinet / forticlient
Version / affected range: * · from (inclusive) 7.4.0 · before (exclusive) 7.4.4
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

References

[email protected]

Last enrichment sync: 25-Oct-2026 11:31
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Fortinet also patched a high-severity buffer overflow bug (CVE-2026-70465) in FortiClient for Windows that could allow unauthenticated attackers who can modify or craft DNS responses to execute arbitrary code. Fortinet Patches Eight Vulnerabilities Across Its Products

CVE (3)

Vendors (1)

Products (6)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.