directio64.sys

Generic hardware I/O driver

From Various OEM utilities

Status

On a known-vulnerable list

Known variants

10 distinct hashes

Field notes

DirectIO64.sys is a generic hardware I/O driver embedded by various OEM and third-party utilities. On the LOLDrivers list because of its broad I/O surface.

Presence on a system usually points back to one of those bundled utilities, typically a fan-control, RGB, or monitoring tool that needed direct port access and reached for an existing signed driver instead of writing its own.

What the record shows

directio64.sys is listed as a known-vulnerable driver on the public LOLDrivers project. 10 distinct binary hashes matching this filename are on record, meaning multiple versions of the file have been observed.

What this means, plainly

Presence is not proof of misuse. Driver files on the LOLDrivers list commonly ship with legitimate hardware tools, gaming software, or vendor utilities. Their presence is recorded as evidence on a record. It is never treated as a verdict about a person.

Source

Status data comes from the public LOLDrivers project, a community-curated registry of drivers known to be vulnerable or malicious. The snapshot Vera uses was refreshed July 10, 2026. CVE links go to the NIST National Vulnerability Database.

In plain words

Kernel driver BYOVD Ring 0 Code-signing certificate Certificate revocation The full glossary →

Cite this entry

Vera Project. “directio64.sys.” Vera Field Guide (Driver). The Vera Project. https://www.veraproject.xyz/field-guide/drivers/directio64-sys