CVE-2023-26923: Musescore

High severity, CVSS 7.0. EPSS: 0.4% chance of exploitation in the next 30 days.

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker can execute arbitrary code.

Affected products

  • Musescore Musescore: from 3.0, up to and including 4.0.1

Published 2023-03-28. Last modified 2026-06-17.