CVE-2026-12569

CRITICALCVSS 9.8Known Exploited

CISA Known Exploited Vulnerability

https://www.ptc.com/en/support/article/CS473270 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-12569

Remediation deadline: June 28, 2026

Ransomware use: Known

Description

PTC Windchill and FlexPLM contains an improper input validation vulnerability allowing an unauthenticated, remote attacker to execute arbitrary code by sending a malicious request to the network.

Timeline

Published:June 18th, 2026 1:18 AM

Last modified:August 1st, 2026 5:16 AM

Added to KEV:June 25th, 2026

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

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

Affected Software

From NVD CPE configuration data

Vendors

ptc

Products

flexplmwindchill_pdmlink

Weaknesses (CWE)

CWE-20 CWE-502

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute