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Vulnerability record · CVE-2018-12086 · published 14 September 2018

CVE-2018-12086: Opcfoundation unified architecture-.net-legacy out-of-bounds write vulnerability

Opcfoundation · Unified Architecture .Net Legacy

Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.

7.5 CVSS 3.0 High EPSS 12% · top 4.1% CWE-787 · Out-of-bounds write
7.5CVSS 3.0 base score, v2 5.0
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/105538 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041909 Third Party AdvisoryVDB Entry
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf Vendor Advisory
https://www.debian.org/security/2018/dsa-4359 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/105538 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041909 Third Party AdvisoryVDB Entry
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf Vendor Advisory
https://www.debian.org/security/2018/dsa-4359 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-12086), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.