CVE-2026-704657.3HighCWE-120
CVE-2026-70465: Fortinet FortiClientWindows vulnerability
Fortinet · FortiClientWindows
Vendor fix available · Affected: Fortinet FortiClientWindows · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
0.5%probability of exploitation in the next 30 days
44th percentile
050100
Higher than 44% of scored CVEs
7.3HighCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Fortinet
- Published
- August 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityWeek, 13 Aug.
- Fortinet patches CVE-2026-26035 auth bypass in FortiWebSecurityWeek · first in our coverage · mentions it in passing
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