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5052 articles · 189092 vulns · 37/41 feeds (7d)
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7.3
CVE-2026-70465
Fortinet · FortiClientWindows

CVE-2026-70465: A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.

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.

Affected Products

VendorProductVersions
FortinetFortiClientWindows7.4.0, 7.2.0

References

  • https://fortiguard.fortinet.com/psirt/FG-IR-26-156

Related News (2 articles)

Tier C
VulDB8h ago
CVE-2026-70465 | Fortinet FortiClientWindows up to 7.2.11/7.4.3 buffer overflow
→ No new info (linked only)
Tier A
Fortinet PSIRT13h ago
Heap overflow in kernel driver due to missing size validation
→ No new info (linked only)
CVSS 3.17.3 HIGH
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CISA KEV❌ No
Actively exploited❌ No
CWECWE-120
PublishedAug 12, 2026
Last enriched8h ago
Trending Score42
Source articles2
Independent2
Info Completeness8/14
Missing: epss, kev, exploit, patch, iocs, mitre_attack

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Related CVEs (5)

HIGHCVE-2026-26035
CVE-2026-26035: An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.
Trending: 52
MEDIUMCVE-2026-70466
CVE-2026-70466: A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.
Trending: 48
MEDIUMCVE-2026-71408
CVE-2026-71408: A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.
Trending: 43
HIGHCVE-2026-70468
CVE-2026-70468: A authentication bypass using an alternate path or channel vulnerability in Fortinet FortiManager 7.6.1, FortiManager 7.
Trending: 42
MEDIUMCVE-2026-71407
CVE-2026-71407: A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an
Trending: 38

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Aug 12, 2026
Discovered by ZDM
Aug 12, 2026