IOBit Uninstaller 15.5.0.11 IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.20

Summaryinfo

A vulnerability was found in IOBit Uninstaller 15.5.0.11 and classified as problematic. This affects the function sub_11838 of the file IURegistryFilter.sys of the component IOCTL Dispatch Handler. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-90485. An attack has to be approached locally. Furthermore, there is an exploit available. Identical IURegistryFilter.sys ships across multiple IObit families. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in IOBit Uninstaller 15.5.0.11. It has been rated as problematic. Affected by this issue is the function sub_11838 of the file IURegistryFilter.sys of the component IOCTL Dispatch Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

This vulnerability is handled as CVE-2026-90485. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. Identical IURegistryFilter.sys ships across multiple IObit families.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-76913). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/13/2026 +1 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2026-90485 (🔒)
GCVE (CVE): GCVE-0-2026-90485
GCVE (VulDB): GCVE-100-403064
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/12/2026 09:39
Updated: 09/13/2026 07:43
Changes: 09/12/2026 09:39 (55), 09/13/2026 07:43 (1)
Complete: 🔍
Submitter: Bigcat
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #887954: IOBit IOBit Uninstaller 15.5.0.11 NULL Pointer Dereference (by Bigcat)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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