What is CVE-2026-59241?

CVE-2026-59241 is a high-severity vulnerability in Siemens Simatic Wincc V7.5, classified under Incorrect Privilege Assignment. CVSS score: 8.8/10. Published 2026-10-13.

How severe is CVE-2026-59241?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Siemens Simatic Wincc V7.5

CVE-2026-59241

A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions < V8.0 Update 11), SIMATIC WinCC V8.1 (All versions < V8.1 Update 7). The affected application does not sufficiently restrict the permissions assigned to a database role. This could allow an authenticated remote attacker with database access to escalate privileges and execute arbitrary commands on the host system where SIMATIC WinCC is installed, potentially leading to a compromise of the system.

Published 2026-10-13.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

cert-portal.siemens.com/productcert/html/ssa-550198.html

Frequently asked questions

What is CVE-2026-59241?: CVE-2026-59241 is a high-severity vulnerability in Siemens Simatic Wincc V7.5, classified under Incorrect Privilege Assignment. CVSS score: 8.8/10. Published 2026-10-13.
How severe is CVE-2026-59241?: High severity. CVSS v3 base score is 8.8 out of 10.