CVE-2026-59082 PUBLISHED

Assigner: siemens
Reserved: 02.07.2026 Published: 10.11.2026 Updated: 10.11.2026

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.

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Siemens
Product	SIMATIC WinCC V7.5
Versions	Default: unknown affected from 0 to * (excl.)

Vendor	Siemens
Product	SIMATIC WinCC V8.0
Versions	Default: unknown affected from 0 to * (excl.)

Vendor	Siemens
Product	SIMATIC WinCC V8.1
Versions	Default: unknown affected from 0 to * (excl.)

References

https://cert-portal.siemens.com/productcert/html/ssa-979641.html

Problem Types

CWE-357: Insufficient UI Warning of Dangerous Operations CWE