CVE-2026-12201: IObit Malware Fighter DLL permission
A flaw has been found in IObit Malware Fighter up to 13.2.0. Affected by this vulnerability is an unknown functionality of the component DLL Handler. This manipulation causes permission issues. The attack requires local access. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
IObit Malware Fighterfrom your environment.Uninstall IObit Malware Fighter from systems where it is not required. If removal is not immediately possible, isolate the host and restrict local access until the product can be removed or fixed.
- Configuration
Harden file-system permissions for the DLL Handler files and the product installation directory so only SYSTEM and Administrators can read/write/modify those files to prevent local manipulation.
IObit Malware Fighter DLL Handler NTFS file permissions = restrict to SYSTEM and Administrators - Compensating control
Reduce local attack surface: remove or disable unnecessary local accounts, revoke unnecessary local administrator rights, and limit interactive/physical access to systems running the product.
- Operational
Scan your environment for installations of IObit Malware Fighter and identify any instances at or below version 13.2.0. Immediately isolate any hosts with identified vulnerable installations from untrusted users and networks.
- Operational
Monitor security intelligence for published exploit indicators related to this vulnerability and for vendor advisories. Apply vendor-supplied updates or patches when they become available; until then maintain isolation and increased monitoring of affected hosts.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-12201?
CVE-2026-12201 has a medium severity rating of 5.3.
How do I fix CVE-2026-12201?
To fix CVE-2026-12201, update IObit Malware Fighter to the latest version, 13.2.0 or higher.
What types of access are required to exploit CVE-2026-12201?
Exploiting CVE-2026-12201 requires local access to the affected system.
What component is affected by CVE-2026-12201?
CVE-2026-12201 affects the DLL Handler component of IObit Malware Fighter.
Is the exploit for CVE-2026-12201 publicly available?
Yes, the exploit for CVE-2026-12201 has been published and may be utilized by attackers.