CVE-2026-12214 — AI Deep Analysis Summary

🚨 **Essence**: A defect exists in the core engine monitoring logic of 360 Security Guard, where the `RpcStringBindingComposeW` function improperly handles the `NetworkAddr` parameter. 💥 **Consequence**: This causes the s…

🛠️ **Defect Point**: Lack of parameter validation in the core engine's monitoring logic. 📉 **CWE Tendency**: Insufficient Input Validation (Improper Input Validation), leading to the bypass of protection mechanisms.

📦 **Affected Product**: Qihoo 360 Security Guard. 🔢 **Specific Version**: V6.0. ⚙️ **Key Component**: Nucleus Engine Monitoring Logic.

👑 **Privilege Escalation**: Under local privileges, security monitoring can be completely bypassed. 📊 **Data Risk**: Very high CVSS score (C:H/I:H/A:H), indicating that confidentiality, integrity, and availability all fa…

🔒 **High Barrier**: Requires **local access privileges** (AV:L, PR:L). 👤 **User Interaction**: No user interaction required (UI:N). 📝 **Summary**: The attacker must already be able to execute code on the target machine o…

💣 **Existing Exploit**: Yes! Exploitation code (PoC) has been made public. 🔗 **Source**: GitHub Issue (#4) and VDB records show that an exploit exists, posing a high risk of in-the-wild exploitation.

🔍 **Self-Check Characteristics**: Check if 360 Security Guard V6.0 is running. 📡 **Monitoring Detection**: Pay attention to abnormal calls or parameter injection behavior of the `RpcStringBindingComposeW` function. 📋 **L…

🚫 **Official Stance**: The vendor (360) was notified early but **made no response**. 🛡️ **Patch Status**: Currently, **no official patch** or fix has been announced, leaving the system vulnerable.

⚠️ **Temporary Mitigation**: 1. **Principle of Least Privilege**: Strictly restrict local user privileges to prevent attackers from obtaining local accounts. 2.…

🔥 **Urgency: High**. 📉 **Reason**: Although local privileges are required, the **exploit is public** and there is **no patch**. Once the local defense is breached, the consequences are severe (all-high CVSS scores).…