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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":June 26, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
621 7.8 重要
Local 		マイクロソフト Microsoft Office 2021 Long Term Servicing Channel Edition
Microsoft Office 365
Microsoft Office 2024 Long-Term Servicing Ch… 		Microsoft Office のリモート 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-2026-45475 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
622 5.4 警告
Network 		マイクロソフト Microsoft SharePoint Server Microsoft Office Project Server のなりすましの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2026-45483 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
623 7.8 重要
Local 		マイクロソフト .NET .NET SDK の特権昇格の脆弱性 CWE-285
CWE-863
CVE-2026-45490 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
624 5.5 警告
Local 		マイクロソフト .NET .NET の改ざんの脆弱性 CWE-59
リンク解釈の問題 		CVE-2026-45491 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
625 6.1 警告
Network 		マイクロソフト Microsoft Exchange Server Subscription Edition (SE)
Microsoft Exchange Server 		Microsoft Exchange Server のなりすましの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2026-45500 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
626 8.1 重要
Network 		マイクロソフト Microsoft Exchange Server Subscription Edition (SE)
Microsoft Exchange Server 		Microsoft Exchange Server のリモートでコードが実行される脆弱性 CWE-94
コード・インジェクション 		CVE-2026-45583 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
627 7.5 重要
Network 		マイクロソフト Microsoft Visual Studio 2026
.NET
ASP.NET Core 		ASP.NET Core のサービス拒否の脆弱性 CWE-400
CWE-noinfo
CVE-2026-45591 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
628 7.5 重要
Network 		マイクロソフト Microsoft Windows 11 26h1
Microsoft Windows Server 2022
Microsoft Windows 10 22h2
Microsoft Windows 10 1607
Microsoft Wind… 		Windows リモート デスクトップ プロトコル (RDP) の情報漏えいの脆弱性 CWE-125
境界外読み取り 		CVE-2026-45639 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
629 7.8 重要
Local 		マイクロソフト Microsoft Office 2021 Long Term Servicing Channel Edition
Microsoft Office 365
Microsoft Office 2024 Long-Term Servicing Ch… 		Microsoft Office のリモート コードが実行される脆弱性 CWE-787
CWE-822
CVE-2026-45645 2026-06-22 11:56 2026-06-9 Show GitHub Exploit DB Packet Storm
630 7 重要
Local 		マイクロソフト Microsoft Defender for Endpoint Microsoft Defender for Endpoint for Mac の特権の昇格の脆弱性 CWE-367
Time-of-check Time-of-use (TOCTOU) 競合状態 		CVE-2026-45647 2026-06-22 11:55 2026-06-9 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 26, 2026, 4 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
191211 5.3 MEDIUM
Network 		microsoft office_online_server Microsoft Office Online Server Spoofing Vulnerability NVD-CWE-noinfo
CVE-2021-34451 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191212 8.5 HIGH
Network 		microsoft windows_server_2019
windows_10
windows_server_2016 		Windows Hyper-V Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34450 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191213 7.0 HIGH
Local 		microsoft windows_server_2019
windows_10
windows_server_2016 		Win32k Elevation of Privilege Vulnerability NVD-CWE-noinfo
CVE-2021-34449 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191214 6.8 MEDIUM
Network 		microsoft windows_server_2008
windows_server_2012
windows_8.1
windows_7
windows_rt_8.1
windows_10_1809
windows_10_1909
windows_10_21h1
windows_10_2004
windows_10_20h2
windows_10_1… 		Scripting Engine Memory Corruption Vulnerability CWE-787
 Out-of-bounds Write 		CVE-2021-34448 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191215 6.8 MEDIUM
Network 		microsoft windows_server_2008
windows_server_2012
windows_10
windows_8.1
windows_server_2016
windows_7
windows_rt_8.1
windows_server_2019 		Windows MSHTML Platform Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34447 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191216 8.0 HIGH
Network 		microsoft windows_server_2008
windows_server_2012
windows_10
windows_8.1
windows_server_2016
windows_7
windows_rt_8.1
windows_server_2019 		Windows HTML Platforms Security Feature Bypass Vulnerability NVD-CWE-noinfo
CVE-2021-34446 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191217 7.8 HIGH
Local 		microsoft windows_server_2019
windows_10
windows_server_2016 		Windows Remote Access Connection Manager Elevation of Privilege Vulnerability NVD-CWE-noinfo
CVE-2021-34445 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191218 6.5 MEDIUM
Network 		microsoft windows_server_2008
windows_server_2012
windows_server_2016
windows_server_2019 		Windows DNS Server Denial of Service Vulnerability NVD-CWE-noinfo
CVE-2021-34444 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191219 8.8 HIGH
Network 		microsoft windows_server_2008
windows_server_2012
windows_server_2016
windows_server_2019 		Windows DNS Server Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34442 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm
191220 7.8 HIGH
Local 		microsoft windows_server_2008
windows_server_2012
windows_10
windows_8.1
windows_server_2016
windows_7
windows_rt_8.1
windows_server_2019 		Microsoft Windows Media Foundation Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34441 2024-11-21 15:10 2021-07-17 Show GitHub Exploit DB Packet Storm