Advisories › Siemens › ICSA-26-295-03

Siemens Software Center: 1 CVE, Medium 6.7

Medium 6.7 Known exploited Oil & gas relevant ICSA-26-295-03 · Published Oct 22, 2026

Summary

CISA reports 1 vulnerability in Siemens Siemens Software Center. Weakness type: Uncontrolled Search Path Element. The affected application loads dynamic-link libraries (DLLs) from an uncontrolled search path. Highest CVSS v3 score: 6.7 (Medium), not remotely exploitable per its CVSS vector. At least one CVE is on CISA's Known Exploited Vulnerabilities list.

What to do: Act now: Update to V4.0.9.8 or later version (All existing versions of SSC will be auto updated on next startup. The latest version can also be downloaded in the respective link)
Why this matters for oil & gas: Siemens (SIMATIC S7, PCS 7, WinCC, RUGGEDCOM) is widely used in process plants and pipelines.

At a glance

Vendor
Siemens
Products
Siemens Software Center
CVEs
CVE-2026-110936
Highest CVSS v3
6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Highest CVSS v4
–
Known exploited (KEV)
Yes
Sectors (per CISA)
Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities
Deployed
Worldwide
Vendor HQ
Germany

Vulnerabilities

CVEWeaknessCVSS v3CVSS v4KEVDescription (from advisory)
CVE-2026-110936Uncontrolled Search Path Element6.7–Yes (added 2026-10-20)CVE-2026-110936

Affected products (1)

Vendor fixes and mitigations (from advisory)

Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.

Sources

This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.

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