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Cwe 416

🧬 CWE Related 3,898
slug: cwe-416

Explanation

CWE-416は「メモリを解放した後にそのメモリを使ってしまう」欠陥です。 C/C++のような手動メモリ管理言語で頻発し、攻撃者はこれを利用して任意のコードを実行できることが多いです。 ブラウザのJavaScriptエンジン (V8, JavaScriptCore) でよく見つかり、ブラウザ経由のゼロデイ攻撃の典型的な原因となります。
📌 Example
Pwn2Own (年次ハッキングコンテスト) で、毎年ブラウザに対するUse-After-Free 攻撃が成功し、賞金10万ドル超を獲得する事例が続いています。
🔗 Related links

🔖 Related tags

Cwe 798783 Cwe 894188 Cwe 8624077 Cwe 2844037 Cwe 1193186 Cwe 2003160 Cwe 1253129 Cwe 202861 Cwe 222781 Cwe 7872527 Cwe 782043 Cwe 941886 Cwe 8631885 Cwe 741810 Cwe 1221802

🛡 Vulnerabilities tagged with this 3,953

Image ID Title
CVE-2026-45458 Use-After-Free in Microsoft Sharepoint Server (CVE-2026-45458)
CVE-2026-44809 Use-After-Free in Windows Common Log File System Driver (CVE-2026-44809)
CVE-2026-44813 Use-After-Free in Windows DWM Core Library (CVE-2026-44813)
CVE-2026-44811 Vulnerability in Windows DWM Core Library (CVE-2026-44811)
CVE-2026-42991 Vulnerability in Windows Push Notifications (CVE-2026-42991)
CVE-2026-42986 Use-After-Free in Microsoft Graphics Component (CVE-2026-42986)
CVE-2026-44808 Vulnerability in Windows DWM Core Library (CVE-2026-44808)
CVE-2026-44807 Use-After-Free in Windows DWM Core Library (CVE-2026-44807)
CVE-2026-42987 Use-After-Free in Windows Deployment Services (CVE-2026-42987)
CVE-2026-44802 Use-After-Free in Windows DWM Core Library (CVE-2026-44802)
CVE-2026-42984 Use-After-Free in Windows Kernel (CVE-2026-42984)
CVE-2026-42985 Use-After-Free in Remote Desktop Client (CVE-2026-42985)
CVE-2026-44801 Use-After-Free in Remote Desktop Client (CVE-2026-44801)
CVE-2026-44805 Use-After-Free in Microsoft Windows Server 2019 (CVE-2026-44805)
CVE-2026-44804 Use-After-Free in Windows DWM Core Library (CVE-2026-44804)
CVE-2026-42978 Vulnerability in Windows Push Notifications (CVE-2026-42978)
CVE-2026-42979 Vulnerability in Windows Push Notifications (CVE-2026-42979)
CVE-2026-42983 Use-After-Free in Windows DWM Core Library (CVE-2026-42983)
CVE-2026-42909 Vulnerability in Remote Desktop Client (CVE-2026-42909)
CVE-2026-42913 Vulnerability in Remote Desktop Client (CVE-2026-42913)
CVE-2026-42911 Use-After-Free in Microsoft Windows 10 1607 (CVE-2026-42911)
CVE-2026-42905 Use-After-Free in Windows DWM Core Library (CVE-2026-42905)
CVE-2026-42836 Vulnerability in Function Discovery Service (CVE-2026-42836)
CVE-2026-34335 Use-After-Free in Microsoft Windows 10 1607 (CVE-2026-34335)
CVE-2026-34696 Use-After-Free in Adobe macOS (CVE-2026-34696)
CVE-2026-48583 Use-After-Free in Windows Kernel (CVE-2026-48583)
CVE-2026-48563 Use-After-Free in Remote Desktop Client (CVE-2026-48563)
CVE-2026-47653 Use-After-Free in Remote Desktop Client (CVE-2026-47653)
CVE-2026-47654 Use-After-Free in Remote Desktop Client (CVE-2026-47654)
CVE-2026-47293 Use-After-Free in Microsoft Office (CVE-2026-47293)

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