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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 21, 2026, 6:01 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
651 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows テレフォニー サービスの特権昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-40382 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
652 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows 共通ログ ファイル システム ドライバーの特権の昇格の脆弱性 CWE-191
整数アンダーフロー 		CVE-2026-40397 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
653 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows リモート デスクトップ サービスの特権昇格の脆弱性 CWE-122
ヒープオーバーフロー 		CVE-2026-40398 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
654 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows TCP/IP の特権昇格の脆弱性 CWE-121
スタックオーバーフロー 		CVE-2026-40399 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
655 7.1 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows TCP/IP のサービス拒否の脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-40401 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
656 9.3 緊急
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022 		Windows Hyper-V の特権の昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-40402 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
657 8.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows グラフィックス コンポーネントのリモートでコードが実行される脆弱性 CWE-122
ヒープオーバーフロー 		CVE-2026-40403 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
658 7.5 重要
Network 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows 11 24h2
Microsoft Windows 11 26h1
Microsoft Windows Server 2025 		Windows TCP/IP のサービス拒否の脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-40405 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
659 7.5 重要
Network 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows TCP/IP の情報漏えいの脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-40406 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
660 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows Server 2016
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Wind… 		Windows 共通ログ ファイル システム ドライバーの特権の昇格の脆弱性 CWE-122
ヒープオーバーフロー 		CVE-2026-40407 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 21, 2026, 4:10 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
318381 - - - Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none. - CVE-2023-29845 2023-11-7 13:11 2023-07-28 Show GitHub Exploit DB Packet Storm
318382 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue in a customer-contr… - CVE-2023-29079 2023-11-7 13:11 2023-05-29 Show GitHub Exploit DB Packet Storm
318383 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue in a customer-contr… - CVE-2023-29078 2023-11-7 13:11 2023-05-29 Show GitHub Exploit DB Packet Storm
318384 7.5 HIGH
Network 		- - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none. - CVE-2023-2004 2023-11-7 13:11 2023-04-15 Show GitHub Exploit DB Packet Storm
318385 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29042 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm
318386 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29041 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm
318387 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29040 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm
318388 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29039 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm
318389 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29038 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm
318390 - - - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none. - CVE-2023-29037 2023-11-7 13:11 2023-04-3 Show GitHub Exploit DB Packet Storm