CVE-2026-39199: SNES9X Team SNES9X

Low severity, CVSS 2.9. EPSS: 0.2% chance of exploitation in the next 30 days.

snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.

Affected products

• SNES9X Team SNES9X: version 1.63 only

Published 2026-06-17. Last modified 2026-06-22.