Medium severity · published Sep 12, 2026
CVE-2026-90485
IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereference
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UN
Uninstaller · IOBit
15.5.0.11 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90485
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90485
vuldb.com
https://vuldb.com/cve/CVE-2026-90485
vuldb.com
https://vuldb.com/submit/887954
vuldb.com
https://vuldb.com/vuln/403064
vuldb.com
https://vuldb.com/vuln/403064/cti
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