smep_namco.sys

BANDAI NAMCO anti-cheat driver

From BANDAI NAMCO Online Inc.

Status

On a known-vulnerable list

Known variants

1 distinct hashes

Field notes

smep_namco.sys is a kernel driver from BANDAI NAMCO's anti-cheat system. It is on the public LOLDrivers list because a vulnerability in the driver allows any local user to disable SMEP (Supervisor Mode Execution Prevention) and execute arbitrary code at Ring 0, the highest privilege level in the processor. In practical terms, the anti-cheat driver introduced a path to kernel-level code execution on every machine that installed the game.

The vendor released a patch promptly after the vulnerability was reported by Kaspersky. This is a case where the anti-cheat cure was briefly worse than the disease: a security mechanism meant to protect the game's integrity instead opened a hole in the operating system's own defenses.

If you play a BANDAI NAMCO title that uses this driver, make sure the game is updated to a version that includes the patched driver.

What the record shows

smep_namco.sys is listed as a known-vulnerable driver on the public LOLDrivers project. One distinct binary hash matching this filename is on record.

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