CVE-2026-70465
📛 CVE Title
CVE-2026-70465
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- fortinet
- CVSS severity
- HIGH
- CVSS score
- 7.3 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C- Effective score
- 7.3 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-120 - Reserved
- 2026-08-04
- Published
- 2026-08-12 11:52 UTC
- Last updated
- 2026-08-13 03:55 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/70xxx/CVE-2026-70465.json
- Linked Threat
- CVE-2026-70465 — CVE-2026-70465
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-08-12 12:19:47 UTC
- NVD last modified
- 2026-08-13 05:17:25 UTC
- NVD CVSS v3.1
- 8.1 / 10 HIGH source: psirt@fortinet.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.2 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0055 (probability of exploitation in next 30 days)
- EPSS percentile
- 43.19% vs all CVEs — higher = more likely to be exploited, as of 2026-08-14
NVD / KEV / EPSS data refreshed 2026-08-14 14:58 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-57188 - Assigner
- fortinet
- Published
- Aug 12, 2026, 11:52:25 AM
- Updated
- Aug 13, 2026, 3:55:27 AM
- EUVD base score (CVSS 3.1)
-
7.3 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - EUVD-reported EPSS
- 0.5500
- Vendors
- Fortinet
- Products
-
FortiClientWindows (7.4.0 ≤7.4.3)FortiClientWindows (7.2.0 ≤7.2.11)
- Aliases
-
GHSA-95wv-6wmf-f8vm
ENISA 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Fortinet | FortiClientWindows |
7.4.0 (affected),
7.2.0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fortiguard.fortinet.com/psirt/FG-IR-26-156 psirt@fortinet.com
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:cvefeed.io
The following list is the news that have been mention CVE-2026-70465 vulnerability anywhere in the article. Results are limited to the first 20 news articles due to potential performance issues. The following table lists the changes that have been made to the CVE-2026-70465 vulnerability over time.
2026-08-14 13:41 UTC -
web:cve.tools
Patch : fortiguard.fortinet.com · Buffer overflow in Fortinet FortiClientWindows · CVSS 8.1 HIGH. A buffer copy without checking size of input ('classic…
2026-08-14 13:41 UTC -
web:vulmon.com
CVE-2026-70465 - FortiClientWindows Buffer Overflow Allows Arbitrary Code Execution via Malicious DNS Responses
2026-08-14 13:41 UTC -
web:www.aha.org
H-ISAC TLP Green: Fortinet Patches High-Severity Flaws in Various Products ( CVE - 2026 -26035 CVE - 2026 -70468 CVE-2026-70465 , CVE - 2026 -49975) Fortinet has released security advisories patching multiple vulnerabilities across its product suite, including high-severity authentication flaws in FortiWeb, FortiManager, and FortiClient for Windows.
2026-08-14 13:41 UTC -
web:www.oracle.com
This Critical Patch Update contains 1449 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-08-14 13:41 UTC -
web:www.oracle.com
This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.
2026-08-14 13:41 UTC -
web:www.tenable.com
Microsoft patched 569 CVEs in July 2026 , the largest Patch Tuesday release in its history. 56 critical CVEs patched including three zero-day vulnerabilities.
2026-08-14 13:41 UTC -
web:www.tenable.com
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.
2026-08-14 13:41 UTC -
web:www.windowscentral.com
Microsoft says AI is reshaping Windows security, and the July 2026 Patch Tuesday update is the first major sign of what's coming.
2026-08-14 13:41 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's August 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-08-14 13:41 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2026-70465.json.
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