CVE-2026-90485
IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereference
- State
- Published
- Severity
- 6.8 Medium
- Published
- Sep 12, 2026
- Updated
- Sep 14, 2026
- Reserved
- Sep 12, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.5 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.6 Medium | AV:L/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
UninstallerIOBit |
|
References
- VDB-403064 | IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereferencevdb-entrytechnical-description
- VDB-403064 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90485 | CVE Analysis and Reportthird-party-advisory
- Submit #887954 | IOBit IOBit Uninstaller 15.5.0.11 NULL Pointer Dereferencethird-party-advisory
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