CVE-2026-70465
highpriority · track · 0EPSS 0.005 · 44 %ileDEEUNLRUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0296Kwetsbaarheid verholpen in Fortinet FortiClientNL2026-08-13csaf · ncsc_nlNL
Fortinet heeft een kwetsbaarheid verholpen in FortiClient voor Windows.
- WID-SEC-W-2026-2811Fortinet FortiClient: Schwachstelle ermöglicht CodeausführungDeutsch2026-08-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiClient ausnutzen, um beliebigen Programmcode auszuführen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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