OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version)

• CVE-2026-28267 Medium 5.5 Multiple i-フィルター products are configured with improper file access permission settings. Files may be created or overwritten in the system directory or backup directory by a non-administrative user. 0.1%
• CVE-2025-57846 High 7.8 Multiple i-フィルター products contain an issue with incorrect default permissions. If this vulnerability is exploited, a local authenticated attacker may replace a service executable on the system where t 0.2%