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TI-2026-61503 Aliases CVE-2026-90485GHSA-3gr6-jfw8-h5jh

IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11838 null pointer dereference

Priority MEDIUM 63CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00166 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IObitUninstaller15.5.0.11—No fix listedCNA
  • Uninstaller VendorIObit Affected 15.5.0.11 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:iobit:uninstaller:*:*:*:*:*:*:*:*——IObit
  • cpe:2.3:a:iobit:uninstaller:*:*:*:*:*:*:*:* Versions — — ·IObit

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90485
  2. 2026-10-03 Alias added: GHSA-3gr6-jfw8-h5jh

References

—

  • TI-2022-08416 In IOBit IOTransfer 4.3.1.1561, an unauthenticated attacker can send GET and POST… CVSS 3.1CRITICAL 9.8
  • TI-2020-19367 Advanced System Care Service 13.0.0.157 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
  • TI-2020-19358 IObit Uninstaller 9.5.0.15 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
  • TI-2020-19087 IObit Uninstaller 10 Pro - Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2016-09235 IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
  • TI-2016-09231 IObit Advanced SystemCare 10.0.2 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
See all 84 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences