CVE-2026-12569

criticalpriority · act · 90OT risk · criticalKEV · exploitedEU KEV · ENISAEPSS 0.460 · 99 %ileDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

46.0% (99th) EPSS

CVSS 9.8 · critical

Is it mine?

42 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2026-06-25remediate by 2026-06-28

required action Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

EU KEVflagged by ENISAreported 2026-08-16patched 2026-06-18ransomware

Critical RCE vulnerability caused by insecure deserialization of untrusted data.

EPSS · scored 2026-10-24

PTC Windchill and FlexPLM Improper Input Validation Vulnerability

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/U:Redsecondary · ENISA EU

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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:Y/R:U/V:C/RE:X/U:Redsecondary

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:A/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:Y/R:U/V:C/RE:X/U:Redsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-502USCWE-502US

affected products (42)

Products and version ranges known to be affected.

PTC FlexPLMall versionscert_bundDEcpe:/a:ptc:flexplm:-
PTC Windchillall versionscert_bundDEcpe:/a:ptc:windchill:-
PTC FlexPLM≤ 11.1 M020enisa_euvdEU
PTC FlexPLM≤ 0 ≤11.0 M030enisa_euvdEU
PTC FlexPLM≤ 12.0.2.0enisa_euvdEU
PTC FlexPLM≤ 13.0.3.0enisa_euvdEU
PTC FlexPLM≤ 11.2.1.0enisa_euvdEU
PTC FlexPLM≤ 12.0.0.0enisa_euvdEU
PTC FlexPLM≤ 12.1.2.0enisa_euvdEU
PTC FlexPLM≤ 12.1.3.0enisa_euvdEU
PTC FlexPLM≤ 13.0.2.0enisa_euvdEU
PTC Windchill PDMLink≤ 11.2.1.0enisa_euvdEU
PTC Windchill PDMLink≤ 13.1.2.0enisa_euvdEU
PTC Windchill PDMLink≤ 13.1.0.0enisa_euvdEU
PTC Windchill PDMLink≤ 0 ≤11.0 M030enisa_euvdEU
PTC Windchill PDMLink≤ 13.0.2.0enisa_euvdEU
PTC Windchill PDMLink≤ 13.1.1.0enisa_euvdEU
PTC Windchill PDMLink≤ 11.1 M020enisa_euvdEU
PTC Windchill PDMLink≤ 12.0.2.0enisa_euvdEU
PTC Windchill PDMLink≤ 12.1.2.0enisa_euvdEU

showing 20 of 42

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1991PTC FlexPLM: Schwachstelle ermöglicht CodeausführungDeutsch2026-06-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PTC FlexPLM und PTC Windchill ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2026-06-18modified 2026-10-06

references (4)

External citations — patches, advisories, analysis.

https://www.ptc.com/en/support/article/CS473270 cnnvd
https://www.ptc.com/en/support/article/CS473270 enisa_euvd
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-12569US Government Resourcenvd
https://www.ptc.com/en/support/article/CS473270Permissions Requirednvd

scry

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