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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

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, 2 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 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
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 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
653 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
654 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
655 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
656 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
657 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
658 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
659 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 WAN ARP Driver Elevation of Privilege Vulnerability CWE-416
解放済みメモリの使用 		CVE-2026-40408 2026-05-18 12:06 2026-05-12 Show GitHub Exploit DB Packet Storm
660 7 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 SMB クライアントの特権の昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-40410 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
681 7.3 HIGH
Network 		- - A vulnerability was determined in Metasoft 美特软件 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lea… Update CWE-284
CWE-434
Improper Access Control
 Unrestricted Upload of File with Dangerous Type  		CVE-2026-8758 2026-05-19 02:51 2026-05-17 Show GitHub Exploit DB Packet Storm
682 6.3 MEDIUM
Network 		- - A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function post_file of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulatio… Update CWE-22
Path Traversal 		CVE-2026-8754 2026-05-19 02:51 2026-05-17 Show GitHub Exploit DB Packet Storm
683 - - - Mathesar is a web application that makes working with PostgreSQL databases both simple and powerful. From 0.2.0 to before 0.10.0, explorations.get, explorations.replace, and explorations.delete opera… Update CWE-639
CWE-862
 Authorization Bypass Through User-Controlled Key
 Missing Authorization 		CVE-2026-44718 2026-05-19 02:50 2026-05-16 Show GitHub Exploit DB Packet Storm
684 - - - Mathesar is a web application that makes working with PostgreSQL databases both simple and powerful. From 0.2.0 to before 0.10.0, collaborators.list, tables.metadata.list, explorations.list, and form… Update CWE-862
 Missing Authorization 		CVE-2026-44719 2026-05-19 02:50 2026-05-16 Show GitHub Exploit DB Packet Storm
685 4.3 MEDIUM
Network 		- - A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation res… Update CWE-119
CWE-416
Incorrect Access of Indexable Resource ('Range Error') 
 Use After Free 		CVE-2026-8746 2026-05-19 02:48 2026-05-17 Show GitHub Exploit DB Packet Storm
686 6.8 MEDIUM
Network 		- - Dell Live Optics Windows and Personal Edition collectors contain an improper certificate validation vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability leadi… New CWE-295
Improper Certificate Validation  		CVE-2026-41119 2026-05-19 02:45 2026-05-18 Show GitHub Exploit DB Packet Storm
687 8.1 HIGH
Network 		- - Code injection in SQL code generation in Apache Flink 1.15.0 through 1.20.x and 2.0.0 through 2.x allows authenticated users with query submission privileges to execute arbitrary code on TaskManagers… Update CWE-94
Code Injection 		CVE-2026-35194 2026-05-19 02:44 2026-05-16 Show GitHub Exploit DB Packet Storm
688 6.5 MEDIUM
Adjacent 		- - An attacker in a privileged network position may be able to leak sensitive information. A path handling issue was addressed with improved validation. This issue is fixed in PCC Release 5E290.3. New CWE-20
CWE-22
 Improper Input Validation 
Path Traversal 		CVE-2026-20685 2026-05-19 02:44 2026-05-19 Show GitHub Exploit DB Packet Storm
689 6.5 MEDIUM
Network 		- - Medical Management System a81df1ce700a9662cb136b27af47f4cbde64156b is vulnerable to Insecure Permissions, which allows arbitrary user password reset. Update CWE-284
Improper Access Control 		CVE-2025-67437 2026-05-19 02:44 2026-05-16 Show GitHub Exploit DB Packet Storm
690 6.5 MEDIUM
Network 		- - Oinone Pamirs 7.0.0 contains a code execution vulnerability via ScriptRunner. The method ScriptRunner.run(String expression, String type, Map<String, Object> context) evaluates attacker-controlled sc… Update CWE-94
Code Injection 		CVE-2026-39052 2026-05-19 02:44 2026-05-16 Show GitHub Exploit DB Packet Storm