CVE-2025-58323: Navercorp Mybox

High severity, CVSS 7.7. EPSS: 0.1% chance of exploitation in the next 30 days.

NAVER MYBOX Explorer for Windows before 3.0.8.133 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM by executing arbitrary files due to improper privilege checks.

Affected products

• Navercorp Mybox: before 3.0.8.133 (fixed in 3.0.8.133)

Published 2025-08-29. Last modified 2026-06-17.