CVE record · CVE-2026-24349

Siemens SIMATIC WinCC Unified PC Runtime V16: A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All…

CVSS 8.2 HighEPSS 0.0006 · 1st percentile

Published by the CVE Program (CNA: siemens) at 9 Jun 2026, 08:46 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
Vendor	Product	Versions
Siemens	SIMATIC WinCC Unified PC Runtime V16	affected before * custom Other versions: unknown
Siemens	SIMATIC WinCC Unified PC Runtime V17	affected before * custom Other versions: unknown
Siemens	SIMATIC WinCC Unified PC Runtime V18	affected before * custom Other versions: unknown
Siemens	SIMATIC WinCC Unified PC Runtime V19	affected before * custom Other versions: unknown
Siemens	SIMATIC WinCC Unified PC Runtime V20	affected before * custom Other versions: unknown
Siemens	SIMATIC WinCC Unified PC Runtime V21	affected before V21 Update 2 custom Other versions: unknown

Identifiers: CVE-2026-24349
CNA: siemens
Weakness (CWE): CWE-313
Tags: Siemens SIMATIC WinCC Unified PC Runtime V16
Siemens SIMATIC WinCC Unified PC Runtime V17
Siemens SIMATIC WinCC Unified PC Runtime V18
Siemens SIMATIC WinCC Unified PC Runtime V19
Siemens SIMATIC WinCC Unified PC Runtime V20
Siemens SIMATIC WinCC Unified PC Runtime V21
CWE-313
Published: 9 Jun 2026
Updated: 9 Jun 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

Score	Rating	CVSS	Vector	Source
7.1	High	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	CNA (siemens)
8.2	High	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N	CNA (siemens)Used for this record

CISA KEV Not listed.
EPSS 0.0006, the 1st 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 9 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

cert-portal.siemens.com/productcert/html/ssa-063511.html

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.