CVE-2023-31222: Medtronic Paceart Optima

High severity, CVSS 8.8. EPSS: 28.5% chance of exploitation in the next 30 days.

Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.

Affected products

• Medtronic Paceart Optima: before 1.12 (fixed in 1.12)

Published 2023-06-29. Last modified 2026-06-17.