High
CVE-2026-70465
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.
Announced Source revision 1
Original source ↗CVE-2026-70465
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-70465
FortiClientWindows
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:fortinet:forticlientwindows:7.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.11:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.0:*:*:*:*:*:*:*"
],
"vendor": "Fortinet",
"product": "FortiClientWindows",
"versions": [
{
"status": "affected",
"version": "7.4.0",
"versionType": "semver",
"lessThanOrEqual": "7.4.3"
},
{
"status": "affected",
"version": "7.2.0",
"versionType": "semver",
"lessThanOrEqual": "7.2.11"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-70465
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #42186 · Revision 1
- Added to Heist Feed
- Publisher date