Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%

CVE-2021-33739 — AI Deep Analysis Summary

CVSS 8.4 · High

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical security flaw in the **Microsoft DWM Core Library** (Desktop Window Manager). <br>💥 **Consequences**: CVSS Score is **HIGH (9.8)**.…

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: The data does not specify a CWE ID. <br>🔍 **Flaw**: It is an internal library vulnerability within the Windows DWM component.…

Q3Who is affected? (Versions/Components)

🖥️ **Affected Systems**: <br>• **Windows 10 Version 20H2** (ARM64-based Systems) <br>• **Windows Server, version 20H2** (Server Core Installation) <br>• **Windows 10 Version 2004** (ARM64-based Systems) <br>⚠️ Note: Vend…

Q4What can hackers do? (Privileges/Data)

👑 **Hacker Capabilities**: <br>• **Privileges**: Gains **High-Level Access** (likely Local Privilege Escalation to SYSTEM/Admin).…

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Exploitation Threshold**: <br>• **Auth**: **PR:N** (Privileges Required: None). <br>• **UI**: **UI:N** (User Interaction: None). <br>• **Access**: **AV:L** (Attack Vector: Local).…

Q6Is there a public Exp? (PoC/Wild Exploitation)

💣 **Public Exploit**: **YES**. <br>• **PoC Available**: Links provided to GitHub repos (`freeide2017/CVE-2021-33739-POC` and `giwon9977/CVE-2021-33739_PoC_Analysis`). <br>🔥 **Status**: Proof of Concept is public.…

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Check if your system is **Windows 10 ARM64** (v20H2 or v2004) or **Server 20H2**. <br>2. Verify if the **DWM Core Library** is unpatched. <br>3.…

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. <br>• **Source**: Microsoft Security Response Center (MSRC). <br>• **Action**: Apply the latest security updates provided by Microsoft for the affected Windows versions.…

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: <br>• **Isolate**: Restrict local access to the machine. <br>• **Monitor**: Watch for unusual privilege escalation attempts.…

Q10Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL (Priority 1)**. <br>• **CVSS 9.8** is nearly perfect score. <br>• **No Auth/UI** required for local exploit. <br>• **PoC is public**.…