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CVE record · CVE-2026-59241

Siemens SIMATIC WinCC V7.5: A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions)…

CVSS 8.7 HighEPSS 0.0034 · 27th percentile

Published by the CVE Program (CNA: siemens) at 13 Oct 2026, 09:18 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Siemens SIMATIC WinCC V7.5
  • affected before * custom
Other versions: unknown
Siemens SIMATIC WinCC V8.0
  • affected before V8.0 Update 11 custom
Other versions: unknown
Siemens SIMATIC WinCC V8.1
  • affected before V8.1 Update 7 custom
Other versions: unknown
Identifiers
CVE-2026-59241
CNA
siemens
Weakness (CWE)
CWE-266
Tags
Published
13 Oct 2026
Updated
16 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (siemens)
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CNA (siemens)Used for this record
  • CISA KEV Not listed.
  • EPSS 0.0034, the 27th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.