Vulnerability
CVE-2026-12569
PTC FlexPLM and Windchill PDMlink: unauthenticated unsafe deserialization leading to code execution
Most severe levelDEFCON 4 · Moderate risk
Official data
- CVSS 4.0
- 9.3 · critical
CVSS: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:Red - EPSS
- 46.05% probability of exploitation in the next 30 days, higher than 98% of CVEs
- CISA KEV catalogue
- Yes, since 25 June 2026 · used in ransomware campaigns
Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 5 November 2026.
Timeline
- 18 June 2026Published on NVD
- 18 June 2026First in the DefenceLevel briefing
- 25 June 2026Added to the CISA KEV catalogue
In DefenceLevel briefings3 days
- 15 October 2026Worth watching
- 26 June 2026New in the last 24 hoursDEFCON 4
- 18 June 2026Worth watching
Last 12 months.
The full analysis is in the briefingThe full analysis is in your archive
Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.