What’s Vulnerable › Vulnerabilities

CVE-2026-28267

• Severity: medium (CVSS 6.8 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-10 · updated 2026-06-17
• Weakness: CWE-276

Description

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.

Affected products

• Digital Arts Inc. DigitalArts@Cloud Agent (for Windows): before Ver.1.70R01
• Digital Arts Inc. i-フィルター 10 (Windows version only): before Ver.10.02.00
• Digital Arts Inc. i-フィルター 6.0: before Ver.6.00.57
• Digital Arts Inc. i-フィルター for ネットカフェ: before Ver.6.10.57; before Ver.2.00.30
• Digital Arts Inc. i-フィルター for マルチデバイス (Windows version only): before Ver.6.00.57
• Digital Arts Inc. i-フィルター for ZAQ (Windows version only): before Ver.6.00.57
• Digital Arts Inc. i-FILTER ブラウザー＆クラウド MultiAgent for Windows: before Ver.4.93R13
• Fujitsu Limited i-FILTER Browser & Cloud MultiAgent for Windows: before Ver.4.93R13
• Inventit Inc. MobiConnect i-FILTER Browser Option MultiAgent for Windows: before Ver.4.93R13
• OPTiM Corporation Optimal Biz Web Filtering Powered by i-FILTER (Windows version): before 4.93R13

References

• https://biz3.optim.co.jp/
• https://jvn.jp/en/jp/JVN17307628/
• https://sd.fjsd001.dfcenter.jp.fujitsu.com/portal/ja/kb/articles/windows%E3%81%AE%E3%83%AA%E3%83%AA%E3%83%BC%E3%82%B9%E3%83%8E%E3%83%BC%E3%83%88
• https://www.daj.jp/shared/php/downloadset/c/parts.php?page=dl&filename=information_20260309_01.pdf
• https://www.daj.jp/shared/php/downloadset/c/parts.php?page=dl&filename=information_20260309_02.pdf
• https://www.mobi-connect.net/file/ifilter/

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