NULL pointer dereference in Iobit Uninstaller
CVE-2026-90485
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.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Iobit Uninstaller — versions 15.5.0.11
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90485?
- CVE-2026-90485 is a medium-severity vulnerability in Iobit Uninstaller, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2026-09-12.
- How severe is CVE-2026-90485?
- Medium severity. CVSS v3 base score is 5.5 out of 10.