DMM.com

Japan-based services

Aliases / services: DMM / ディーエムエム / DMM TV / DMMブックス / DMM.com
Official website: https://www.dmm.com/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Services covered by the common maintenance notice (see individual notices)

Response status: Not listed
Response information checked: 2026-10-27

Current re-audit: Official sources searched; no response found · Research date: 2026-10-27

Offers online services including video and e-books.

The common notice describes preventive maintenance for a third-party software vulnerability from 22:00 JST on October 21, with services reopening progressively. It does not identify PHP or the target CVEs.

Scope: This common notice does not establish PHP remediation for all DMM services. Notices from other legal entities or services are not inherited.

What users should do

Check the latest notice for the specific service you use.

Official service URL

https://www.dmm.com/

Source URLs

Unscheduled maintenance notice (progressive service restoration)https://support.dmm.com/announcements/833Service and operation documentation

Related official sources

Unscheduled maintenance notice (progressive service restoration)Official notice; link to this PHP incident unconfirmedConfirmed the response to an external software vulnerability and progressive restoration. PHP is not named.