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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-2026-49171 Use-After-Free in Microsoft Windows Speech (CVE-2026-49171)
CVE-2026-49173 Use-After-Free in Windows Kernel (CVE-2026-49173)
CVE-2026-49166 Use-After-Free in Microsoft Printer Drivers (CVE-2026-49166)
CVE-2026-49167 Use-After-Free in Windows Kernel (CVE-2026-49167)
CVE-2026-49169 Use-After-Free in DNS Server (CVE-2026-49169)
CVE-2026-48571 Use-After-Free in Windows App Installer (CVE-2026-48571)
CVE-2026-48572 Vulnerability in Windows App Installer (CVE-2026-48572)
CVE-2026-49162 Use-After-Free in Microsoft Brokering File System (CVE-2026-49162)
CVE-2026-44800 Vulnerability in Windows Push Notifications (CVE-2026-44800)
CVE-2026-42900 Vulnerability in Windows App Store (CVE-2026-42900)
CVE-2026-40467 Use-After-Free in Fossies (CVE-2026-40467)
CVE-2026-10667 Use-After-Free in Zephyr (CVE-2026-10667)
CVE-2026-10663 Use-After-Free in Zephyrproject (CVE-2026-10663)
CVE-2026-61861 Use-After-Free in Magick.NET-Q16-AnyCPU (CVE-2026-61861)
CVE-2026-34196 Use-After-Free in :unknown: (CVE-2026-34196)
CVE-2026-56373 Use-After-Free in Magick.NET-Q16-AnyCPU (CVE-2026-56373)
CVE-2026-15194 Buffer Overflow in Open5GS (CVE-2026-15194)
CVE-2026-15129 Use-After-Free in Google Chrome (CVE-2026-15129)
CVE-2026-15133 Use-After-Free in Google Chrome (CVE-2026-15133)
CVE-2026-15120 Use-After-Free in Google Chrome (CVE-2026-15120)
CVE-2026-15121 Use-After-Free in Google Chrome (CVE-2026-15121)
CVE-2026-15126 Use-After-Free in Google Chrome (CVE-2026-15126)
CVE-2026-15110 Use-After-Free in Google Chrome (CVE-2026-15110)
CVE-2026-15111 Use-After-Free in Google Chrome (CVE-2026-15111)
CVE-2026-15112 Use-After-Free in Google Chrome (CVE-2026-15112)
CVE-2026-15113 Use-After-Free in Google Chrome (CVE-2026-15113)
CVE-2026-15116 Use-After-Free in Google Chrome (CVE-2026-15116)
CVE-2026-15117 Use-After-Free in Google Chrome (CVE-2026-15117)
CVE-2026-15118 Use-After-Free in Google Chrome (CVE-2026-15118)
CVE-2026-15107 Use-After-Free in Google Chrome (CVE-2026-15107)

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