CVE-2026-90485 IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereference
Local attackers can cause a denial of service via null pointer dereference in IOBit Uninstaller's kernel 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-2026-90485?
CVE-2026-90485 is a medium-severity vulnerability in IOBit Uninstaller, published on 12 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in IOBit Uninstaller 15.5.0.11. Affected by this issue is the function sub_11838 of the file IURegistryFilter.sys of the component IOCTL Dispatch Handler. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been published and may be used. Identical IURegistryFilter.sys ships across multiple IObit families. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-90485?
How do I fix CVE-2026-90485?
No fix has been published for CVE-2026-90485 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90485 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90485 exists.
Sources
Also known as GHSA-3gr6-jfw8-h5jh.