CVE-2026-70465

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 13, 2026

Advisory Details (1)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

PSIRT | FortiGuard Labs

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

Vendor Advisories for CVE-2026-70465(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 31× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-21 05:06 UTCEG score recompute
  2. 2026-08-21 05:06 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 17:50 UTCGHSA enrichment
  5. 2026-08-20 06:34 UTCGHSA enrichment
  6. 2026-08-19 19:18 UTCEG score recompute
  7. 2026-08-19 19:18 UTCGHSA enrichment
  8. 2026-08-19 17:04 UTCEPSS rescore
  9. 2026-08-19 07:55 UTCGHSA enrichment
  10. 2026-08-18 20:39 UTCEG score recompute
  11. 2026-08-18 20:38 UTCGHSA enrichment
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 13:49 UTCEPSS rescore
  14. 2026-08-18 09:21 UTCGHSA enrichment
  15. 2026-08-17 22:05 UTCEG score recompute
  16. 2026-08-17 22:04 UTCGHSA enrichment
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-17 10:46 UTCGHSA enrichment
  19. 2026-08-16 23:31 UTCEG score recompute
  20. 2026-08-16 23:31 UTCGHSA enrichment
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 12:14 UTCEG score recompute
  24. 2026-08-16 12:14 UTCGHSA enrichment
  25. 2026-08-16 02:15 UTCEPSS rescore
Show 24 more
  1. 2026-08-16 00:59 UTCGHSA enrichment
  2. 2026-08-15 13:43 UTCGHSA enrichment
  3. 2026-08-15 02:26 UTCEG score recompute
  4. 2026-08-15 02:26 UTCGHSA enrichment
  5. 2026-08-15 01:31 UTCEPSS rescore
  6. 2026-08-14 15:10 UTCGHSA enrichment
  7. 2026-08-14 03:54 UTCEG score recompute
  8. 2026-08-14 03:54 UTCGHSA enrichment
  9. 2026-08-13 22:00 UTCEPSS rescore
  10. 2026-08-13 16:38 UTCGHSA enrichment
  11. 2026-08-13 05:19 UTCEG score recompute
  12. 2026-08-13 05:19 UTCGHSA enrichment
  13. 2026-08-13 05:17 UTCNVD updateCVSS v3 → 8.1
  14. 2026-08-13 04:21 UTCEG score recompute
  15. 2026-08-13 04:21 UTCGHSA enrichment
  16. 2026-08-13 04:20 UTCMITRE cvelistV5CVSS v3 → 7.3
  17. 2026-08-13 00:53 UTCGHSA enrichment
  18. 2026-08-12 13:37 UTCEG score recompute
  19. 2026-08-12 13:37 UTCGHSA enrichment
  20. 2026-08-12 13:36 UTCNVD updateCVSS v3 → 8.1
  21. 2026-08-12 12:35 UTCEG score recompute▲ 0.80
  22. 2026-08-12 12:35 UTCGHSA enrichment
  23. 2026-08-12 12:11 UTCEG score recompute
  24. 2026-08-12 12:10 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-70465?
CVE-2026-70465 is a high vulnerability published on August 12, 2026. 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…
When was CVE-2026-70465 disclosed?
CVE-2026-70465 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70465 actively exploited?
CVE-2026-70465 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.4% of all scored CVEs.
What is the CVSS score of CVE-2026-70465?
CVE-2026-70465 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-70465?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-70465, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-70465

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