Intelligence online17 sources monitored11 actively exploited 7d42 published 24hChecked recently
Vulnerability record

CVE-2026-59241

HighNo known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

Description

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-59241 scored CVSS 8.7

    Basis: NIST National Vulnerability Database

Coverage

HighPatch

Siemens WinCC

Patch

Apply the vendor's security update for the affected products.

CISA Cybersecurity AdvisoriesCritical infra

References