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CVE-2026-126212 fortinet: Heap-based Buffer Overflow

7.2 highEPSS 0.5%

High (7.2) in fortinet. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.

On this page
A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer Cloud 8.0.0 through 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager Cloud 8.0.0 through 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11 may allow an authenticated administrator to execute unauthorized code or commands or cause a denial of service via specially crafted JSON-RPC requests.

Severity

CVSS 3.1

7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.5% estimated probability of exploitation activity in the next 30 days; 44th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: yes · Technical impact: partial, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-122 Heap-based Buffer Overflow
Published
Modified
Assigned by
fortinet (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Fortinet FortiManagerfrom 8.0.0 through 8.0.1
Fortinet FortiManagerfrom 7.6.0 through 7.6.7
Fortinet FortiManagerfrom 7.4.0 through 7.4.11
Fortinet FortiAnalyzerfrom 8.0.0 through 8.0.1
Fortinet FortiAnalyzerfrom 7.6.0 through 7.6.7
Fortinet FortiAnalyzerfrom 7.4.0 through 7.4.11
Fortinet FortiManager Cloudfrom 8.0.0 through 8.0.1
Fortinet FortiManager Cloudfrom 7.6.0 through 7.6.7
Fortinet FortiManager Cloudfrom 7.4.1 through 7.4.11
Fortinet FortiAnalyzer Cloudfrom 8.0.0 through 8.0.1
Fortinet FortiAnalyzer Cloudfrom 7.6.0 through 7.6.7
Fortinet FortiAnalyzer Cloudfrom 7.4.1 through 7.4.11

Attack patterns (CAPEC)

  • CAPEC-92 Forced Integer Overflow Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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