CVE-2026-59082
Received Received - Intake

SIMATIC WinCC Active Content Arbitrary Code Execution

Publication date: 2026-11-10

Last updated on: 2026-11-10

Assigner: siemens-SADP

Description
A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions), SIMATIC WinCC V8.1 (All versions). Affected devices implicitly execute active content when opening files. This could allow an attacker to make the user execute arbitrary code on the device.

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Meta Information

Published
2026-11-10
Last Modified
2026-11-10
Generated
2026-11-10
AI Q&A
2026-11-10
EPSS Evaluated
N/A
NVD
CVE-2026-59082
EUVD
EUVD-2026-120887

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Siemens SIMATIC WinCC V7.5 From 0 (inc)
Siemens SIMATIC WinCC V8.0 From 0 (inc)
Siemens SIMATIC WinCC V8.1 From 0 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-357 The user interface provides a warning to a user regarding dangerous or sensitive operations, but the warning is not noticeable enough to warrant attention.

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Executive Summary

This vulnerability affects SIMATIC WinCC versions V7.5, V8.0, and V8.1. When opening files, the system automatically executes active content without user interaction, which could allow an attacker to run arbitrary code on the device.

Impact Analysis

An attacker could exploit this to execute malicious code on your device, potentially leading to unauthorized access, data theft, or disruption of operations. This is especially risky if the device controls industrial processes.

Mitigation Strategies

Restrict access to qualified personnel only and avoid opening files from untrusted sources. Configure devices in a protected IT environment and follow Siemens operational guidelines for industrial security.

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