CVE-2026-28267Multiple i-フィルター products are configured with improper file access permission settings. Files may be created or overwritten in the system…
- 6.8MediumCVSS base score
- 0.12%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By jpcert
- 11 days later
· 11 days later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| jpcertCNA (assigner) | 4.0 | Medium6.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| jpcertCNA (assigner) | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVDNVD · Deferred | 4.0 | Medium6.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
Digital Arts Inc. · i-フィルター 10 (Windows version only)
- affected prior to Ver.10.02.00
Digital Arts Inc. · i-フィルター 6.0
- affected prior to Ver.6.00.57
Digital Arts Inc. · i-フィルター for ネットカフェ
- affected prior to Ver.6.10.57
Digital Arts Inc. · i-フィルター for マルチデバイス (Windows version only)
- affected prior to Ver.6.00.57
Digital Arts Inc. · i-フィルター for ZAQ (Windows version only)
- affected prior to Ver.6.00.57
Digital Arts Inc. · i-フィルター for プロバイダー
- affected prior to Ver.2.00.30
Digital Arts Inc. · i-FILTER ブラウザー＆クラウド MultiAgent for Windows
- affected prior to Ver.4.93R13
Digital Arts Inc. · DigitalArts@Cloud Agent (for Windows)
- affected prior to Ver.1.70R01
OPTiM Corporation · Optimal Biz Web Filtering Powered by i-FILTER (Windows version)
- affected prior to 4.93R13
Inventit Inc. · MobiConnect i-FILTER Browser Option MultiAgent for Windows
- affected prior to Ver.4.93R13
Fujitsu Limited · i-FILTER Browser & Cloud MultiAgent for Windows
- affected prior to Ver.4.93R13
References
References6
- https://www.daj.jp/shared/php/downloadset/c/parts.php?page=dl&filename=information_20260309_01.pdf (opens in a new tab)
- https://www.daj.jp/shared/php/downloadset/c/parts.php?page=dl&filename=information_20260309_02.pdf (opens in a new tab)
- https://biz3.optim.co.jp/ (opens in a new tab)
- https://www.mobi-connect.net/file/ifilter/ (opens in a new tab)
- 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 (opens in a new tab)
- https://jvn.jp/en/jp/JVN17307628/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-10404 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-28267)Record last updated .