winring0.sys

Open-source hardware monitoring driver (32-bit)

From OpenLibSys (open source)

Part of the OpenLibSys family

Status

On a known-vulnerable list

Known variants

4 distinct hashes

Field notes

WinRing0.sys is the 32-bit companion to WinRing0x64.sys, the same open-source hardware-access driver embedded by a wide variety of monitoring, fan-control, and overclocking tools.

It is on the LOLDrivers list because it provides broad hardware access. Its presence usually means one of those utilities is installed.

What the record shows

winring0.sys is listed as a known-vulnerable driver on the public LOLDrivers project. 4 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.

Related drivers

Other drivers in the OpenLibSys family. See the whole family →

winring0x64.sys

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. “winring0.sys.” Vera Field Guide (Driver). The Vera Project. https://www.veraproject.xyz/field-guide/drivers/winring0-sys