Description
A weakness has been identified in Qi-ANXIN QAX Virus Removal up to 2025-10-22. The affected element is the function ZwTerminateProcess in the library QKSecureIO_Imp.sys of the component Mini Filter Driver. Executing a manipulation can lead to improper access controls. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Qi-ANXIN | QAX Virus Removal | 2025-10-22 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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cwjchoi01/CVE-2026-3796 ★ 4 · Feb 16, 2026
CVE-2026-3796
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-349763 | Qi-ANXIN QAX Virus Removal Mini Filter Driver QKSecureIO_Imp.sys ZwTerminateProcess access control vdb-entry technical-description
- VDB-349763 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #758991 | Qi-ANXIN QAX Virus Removal Version 2025.10.22 and earlier Improper Access Controls third-party-advisory
- https://github.com/cwjchoi01/FocusKiller related
- https://github.com/cwjchoi01/FocusKiller/tree/main/FocusKiller exploit