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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-2026-83584 Use-After-Free in Microsoft Windows Smart Card (CVE-2026-83584)
CVE-2026-83582 Use-After-Free in Microsoft Windows Graphics Kernel (CVE-2026-83582)
CVE-2026-83574 Use-After-Free in Microsoft Windows Search Component (CVE-2026-83574)
CVE-2026-83575 Use-After-Free in Microsoft Windows Search Component (CVE-2026-83575)
CVE-2026-83570 Use-After-Free in Microsoft Windows Search Component (CVE-2026-83570)
CVE-2026-83564 Use-After-Free in Microsoft Windows Search Component (CVE-2026-83564)
CVE-2026-83566 Use-After-Free in Microsoft (CVE-2026-83566)
CVE-2026-81971 Vulnerability in Microsoft Windows NTFS (CVE-2026-81971)
CVE-2026-72969 Use-After-Free in Microsoft Windows Program Compatibility Assistant Service (CVE-2026-72969)
CVE-2026-72968 Use-After-Free in Microsoft Windows Program Compatibility Assistant Service (CVE-2026-72968)
CVE-2026-72955 Use-After-Free in Microsoft Windows Application Compatibility Cache (CVE-2026-72955)
CVE-2026-71347 Vulnerability in Microsoft Windows Security Center (CVE-2026-71347)
CVE-2026-72934 Use-After-Free in Microsoft Windows Program Compatibility Assistant Service (CVE-2026-72934)
CVE-2026-70276 Use-After-Free in Microsoft Office Click-To-Run (CVE-2026-70276)
CVE-2026-70274 Use-After-Free in Microsoft Windows Bind Filter Driver (CVE-2026-70274)
CVE-2026-70272 Use-After-Free in Microsoft Windows Installer (CVE-2026-70272)
CVE-2026-70273 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70273)
CVE-2026-70271 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70271)
CVE-2026-70253 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70253)
CVE-2026-70252 Use-After-Free in Microsoft (CVE-2026-70252)
CVE-2026-70249 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70249)
CVE-2026-70250 Vulnerability in Microsoft Windows DHCP Client (CVE-2026-70250)
CVE-2026-70243 Use-After-Free in Microsoft Windows Kernel (CVE-2026-70243)
CVE-2026-70241 Use-After-Free in Microsoft Windows Kerberos (CVE-2026-70241)
CVE-2026-70237 Use-After-Free in Microsoft (CVE-2026-70237)
CVE-2026-70236 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70236)
CVE-2026-70230 Use-After-Free in Microsoft Windows Audio Service (CVE-2026-70230)
CVE-2026-70223 Use-After-Free in Microsoft Windows Console Driver (CVE-2026-70223)
CVE-2026-70215 Use-After-Free in Microsoft Office PowerPoint (CVE-2026-70215)
CVE-2026-70209 Use-After-Free in Microsoft Windows Win32 Kernel Subsystem (CVE-2026-70209)

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