Vulnerability record
CVE-2026-59082
The short answer
CVE-2026-59082 affects Siemens SIMATIC WinCC V7.5 and is rated high (CVSS 8.5). It is not in CISA's Known Exploited Vulnerabilities catalog.
What it is
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.
Weakness: CWE-357.
Severity
8.5 high
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
No score
FIRST scores CVEs within a day of publication
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- Passive
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Affected products
SIMATIC WinCC V7.5, SIMATIC WinCC V8.0, SIMATIC WinCC V8.1. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-59082 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-10.
How do I fix CVE-2026-59082?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Received. The description is NVD's text, quoted as published.
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