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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-2026-102201 Use-After-Free in Microsoft Windows Media Foundation (CVE-2026-102201)
CVE-2026-102194 Use-After-Free in Microsoft Windows Graphics Kernel (CVE-2026-102194)
CVE-2026-102195 Use-After-Free in Microsoft Windows Broadcast DVR User Service (CVE-2026-102195)
CVE-2026-102197 Use-After-Free in Microsoft Windows Broadcast DVR User Service (CVE-2026-102197)
CVE-2026-102196 Use-After-Free in Microsoft Windows Broadcast DVR User Service (CVE-2026-102196)
CVE-2026-102193 Use-After-Free in Microsoft Windows Broadcast DVR User Service (CVE-2026-102193)
CVE-2026-100219 Use-After-Free in Microsoft QUIC (CVE-2026-100219)
CVE-2026-100211 Use-After-Free in Microsoft Office Excel (CVE-2026-100211)
CVE-2026-100212 Use-After-Free in Microsoft Office Excel (CVE-2026-100212)
CVE-2026-100218 Use-After-Free in Microsoft Remote Desktop Gateway Service (CVE-2026-100218)
CVE-2026-100209 Use-After-Free in Microsoft Office Excel (CVE-2026-100209)
CVE-2026-100202 Use-After-Free in Microsoft Windows Message Queuing Queue Manager (CVE-2026-100202)
CVE-2026-100200 Use-After-Free in Microsoft Windows Update Service (CVE-2026-100200)
CVE-2026-19940 The Bluetooth Classic Hands-Free Profile Audio Gateway implementation in subsys/bluetooth/host/classic/hfp_ag.c keeps…
CVE-2026-96297 Use of freed memory in the aggregation feature of MongoDB Server can cause the server to read...
CVE-2026-69150 Use-After-Free in KeePassXC (CVE-2026-69150)
CVE-2026-109676 Use-After-Free in FreeRDP (CVE-2026-109676)
CVE-2026-109765 Race condition, use-after-free in the Graphics: Text component. This vulnerability was fixed in...
CVE-2026-109752 Use-after-free in the DOM: Workers component. This vulnerability was fixed in Firefox 158 and...
CVE-2026-109761 Use-After-Free in Firefox (CVE-2026-109761)
CVE-2026-109749 Use-After-Free in Firefox (CVE-2026-109749)
CVE-2026-109748 Use-After-Free in Firefox (CVE-2026-109748)
CVE-2026-109738 Use-After-Free in Firefox (CVE-2026-109738)
CVE-2026-109741 Use-after-free in the Storage: Bucket File System component. This vulnerability was fixed in...
CVE-2026-109735 Use-after-free in the DOM: Animation component. This vulnerability was fixed in Firefox 158.
CVE-2026-109729 Use-After-Free in Firefox (CVE-2026-109729)
CVE-2026-109728 Use-after-free in the DOM: Animation component. This vulnerability was fixed in Firefox 158,...
CVE-2026-109727 Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 158, Firefox...
CVE-2026-109726 Use-after-free in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115...
CVE-2026-109732 Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 158,...

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