CVE-2026-9758

Name: CVE-2026-9758
Creator: NVD / NIST
Published: 2026-06-10T14:16:37.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2026-9758 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Probability

0.12%

2.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

References

https://gitlab.com/systerel/S2OPC/-/work_items/1770

Timeline

Published: Jun 10, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-9758?

Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted

How severe is CVE-2026-9758?

CVE-2026-9758 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2026-9758?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-9758?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST