CVE-2018-12086
HighPublished
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
- Published
- Sep 14, 2018
- Updated
- Aug 5, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.5/ 10High
nvd · CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H11.8%
Moderate · next 30 days
- Percentile
- 96.0%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
Sources
PoC for CVE-2018-12086 affecting various OPC UA stacks
Responsible use
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