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Cwe 416

🧬 CWE Related 3,896
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 798678 Cwe 894152 Cwe 8624031 Cwe 2844027 Cwe 1193182 Cwe 2003138 Cwe 1253115 Cwe 202856 Cwe 222769 Cwe 7872517 Cwe 782021 Cwe 941870 Cwe 8631865 Cwe 1221799 Cwe 741796

🛡 Vulnerabilities tagged with this 3,898

Image ID Title
CVE-2026-84020 Use-After-Free in Microsoft (CVE-2026-84020)
CVE-2026-84013 Use-After-Free in Microsoft Windows Telephony Server (CVE-2026-84013)
CVE-2026-83930 Use-After-Free in Microsoft Windows Update Orchestrator Service (CVE-2026-83930)
CVE-2026-83924 Use-After-Free in Microsoft Windows Kernel (CVE-2026-83924)
CVE-2026-83922 Use-After-Free in Microsoft Windows Direct Composition (CVE-2026-83922)
CVE-2026-83917 Use-After-Free in Microsoft Windows ALPC (CVE-2026-83917)
CVE-2026-83913 Use-After-Free in Microsoft Windows Kernel (CVE-2026-83913)
CVE-2026-83915 Use-After-Free in Microsoft Windows Diagnostic Policy Service (CVE-2026-83915)
CVE-2026-83912 Use-After-Free in Microsoft Windows Direct Composition (CVE-2026-83912)
CVE-2026-83914 Use-After-Free in Microsoft XML (CVE-2026-83914)
CVE-2026-83900 Use-After-Free in Microsoft Windows Bind Filter Driver (CVE-2026-83900)
CVE-2026-83901 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-83901)
CVE-2026-83886 Use-After-Free in Microsoft Windows Update Orchestrator Service (CVE-2026-83886)
CVE-2026-83876 Use-After-Free in Microsoft Windows Shell (CVE-2026-83876)
CVE-2026-83883 Use-After-Free in Microsoft Windows Win32K (CVE-2026-83883)
CVE-2026-83879 Vulnerability in Microsoft Windows Overlay Filter (CVE-2026-83879)
CVE-2026-83866 Use-After-Free in Microsoft Windows Win32K (CVE-2026-83866)
CVE-2026-83862 Use-After-Free in Microsoft Windows Network Load Balancing (CVE-2026-83862)
CVE-2026-83859 Use-After-Free in Microsoft Windows NTFS (CVE-2026-83859)
CVE-2026-83852 Use-After-Free in Microsoft Windows Bind Filter Driver (CVE-2026-83852)
CVE-2026-83853 Use-After-Free in Microsoft Windows Hello (CVE-2026-83853)
CVE-2026-83846 Use-After-Free in Microsoft Connected Devices Platform Service (CVE-2026-83846)
CVE-2026-83834 Vulnerability in Microsoft Windows Kernel-Mode Drivers (CVE-2026-83834)
CVE-2026-83796 Use-After-Free in Microsoft Windows Kernel (CVE-2026-83796)
CVE-2026-83790 Use-After-Free in Microsoft Windows Hello (CVE-2026-83790)
CVE-2026-83785 Use-After-Free in Microsoft Windows COM+ Event System Service (CVE-2026-83785)
CVE-2026-83780 Use-After-Free in Microsoft Windows CCFFilter Driver (CVE-2026-83780)
CVE-2026-83771 Use-After-Free in Microsoft Windows Camera Frame Server Monitor (CVE-2026-83771)
CVE-2026-83769 Use-After-Free in Microsoft (CVE-2026-83769)
CVE-2026-83762 Use-After-Free in Microsoft Windows Win32K (CVE-2026-83762)

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