CVE-2026-75809 Missing authorization in Armoury Crate
Local attackers can bypass driver authentication to read PCIe configuration space and disable device functionality via exposed IOCTLs in ASUS Armoury Crate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75809?
CVE-2026-75809 is a medium-severity missing authorization vulnerability in ASUS Armoury Crate, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Exposed IOCTL with insufficient access control in ASUS Armoury Crate allows a local user to disclosure information and disabling device functionality by bypassing driver authentication and using IOCTLs to read from and write to PCIe configuration space.Refer to the ' Security Update for Armoury Crate App ' section on the ASUS Security Advisory for more information.
Weakness: CWE-782
Which versions are affected by CVE-2026-75809?
How do I fix CVE-2026-75809?
No fix has been published for CVE-2026-75809 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-75809 being exploited?
There is no known exploitation of CVE-2026-75809 in the wild and no public exploit code.
Sources
Also known as GHSA-vgfg-vxw7-9mc6.