CVE-2026-90890 ASRock｜ASRock Polychrome SYNC/RGB software utility - Untrusted Pointer Dereference
Authenticated local attackers can crash the operating system by sending a crafted IOCTL request to the ASRock Polychrome SYNC/RGB driver.
- 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-2026-90890?
CVE-2026-90890 is a medium-severity vulnerability in ASRock Polychrome SYNC/RGB for MB, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Untrusted Pointer Dereference vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to dereference an unvalidated pointer, resulting in an operating system crash.
Weakness: CWE-822
Which versions are affected by CVE-2026-90890?
How do I fix CVE-2026-90890?
No fix has been published for CVE-2026-90890 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90890 being exploited?
There is no known exploitation of CVE-2026-90890 in the wild and no public exploit code.
Sources
Also known as GHSA-rv3j-88mf-j5v9.