CVE-2025-22226 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A buffer error in VMware products via HGFS. 💥 **Consequences**: Leads to **memory leaks** and potential data exposure. Critical impact on Confidentiality (C:H).

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **HGFS Out-of-Bounds Read**. 🔍 **Flaw**: Improper boundary checks in the Host-Guest File System allow reading beyond allocated memory limits.

Q: Who is affected? (Versions/Components)

📦 **Affected Products**: 1. VMware ESXi (Server Virtualization) 2. VMware Workstation (VM Software) 3. VMware Fusion (Mac Virtualization). ⚠️ All versions likely impacted until patched.

Q: Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exploit**: • **PoCs**: None listed in data. • **Wild Exploitation**: Low risk currently. 👀 **Monitor**: Watch for emerging PoCs given the severity.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: 1. Verify VMware product versions. 2. Check for HGFS service usage. 3. Monitor for unusual memory spikes in VMs. 4. Scan for CVE-2025-22226 in vulnerability databases.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: • **Status**: Patch available. • **Source**: Broadcom Security Advisory 25390. ✅ **Action**: Update to the latest secure version immediately.

Q: What if no patch? (Workaround)

🚧 **No Patch Workaround**: 1. **Disable HGFS**: Turn off Host-Guest File Sharing if not needed. 2. **Isolate**: Restrict local access to vulnerable hosts. 3. **Monitor**: Log memory usage anomalies.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. • **CVSS**: Local, No Auth, High Impact. • **Priority**: Patch immediately. Memory leaks can escalate to RCE or DoS. Do not ignore!

Updated May 06, 2026 CVSS 7.1 · High

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A buffer error in VMware products via HGFS. <br>💥 **Consequences**: Leads to **memory leaks** and potential data exposure. Critical impact on Confidentiality (C:H).

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **HGFS Out-of-Bounds Read**. <br>🔍 **Flaw**: Improper boundary checks in the Host-Guest File System allow reading beyond allocated memory limits.

Q3Who is affected? (Versions/Components)

📦 **Affected Products**: <br>1. VMware ESXi (Server Virtualization) <br>2. VMware Workstation (VM Software) <br>3. VMware Fusion (Mac Virtualization). <br>⚠️ All versions likely impacted until patched.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hacker Actions**: <br>• **Read Memory**: Extract sensitive data from host memory. <br>• **Privileges**: Local access required, but impact is **High** on Confidentiality.…

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Q5Is exploitation threshold high? (Auth/Config)

🔒 **Exploitation Threshold**: <br>• **AV:L**: Local Attack Vector. <br>• **PR:N**: No Privileges Required. <br>• **UI:N**: No User Interaction. <br>⚡ **Verdict**: Moderate difficulty.…

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

📜 **Public Exploit**: <br>• **PoCs**: None listed in data. <br>• **Wild Exploitation**: Low risk currently. <br>👀 **Monitor**: Watch for emerging PoCs given the severity.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Verify VMware product versions. <br>2. Check for HGFS service usage. <br>3. Monitor for unusual memory spikes in VMs. <br>4. Scan for CVE-2025-22226 in vulnerability databases.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: <br>• **Status**: Patch available. <br>• **Source**: Broadcom Security Advisory 25390. <br>✅ **Action**: Update to the latest secure version immediately.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: <br>1. **Disable HGFS**: Turn off Host-Guest File Sharing if not needed. <br>2. **Isolate**: Restrict local access to vulnerable hosts. <br>3. **Monitor**: Log memory usage anomalies.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>• **CVSS**: Local, No Auth, High Impact. <br>• **Priority**: Patch immediately. Memory leaks can escalate to RCE or DoS. Do not ignore!

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