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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 23, 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
241 8.4 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Office Long Term Servicing Channel (LTSC) 		Microsoft Office のリモート コードが実行される脆弱性 New CWE-416
解放済みメモリの使用 		CVE-2026-40358 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
242 7.8 重要
Local 		マイクロソフト Microsoft Office Online Server
Microsoft Excel
Microsoft Office
Office Long Term Servicing Channel (LTSC)
Microsoft 365 Apps 		Microsoft Excel のリモートでコードが実行される脆弱性 New CWE-416
解放済みメモリの使用 		CVE-2026-40359 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
243 7.8 重要
Local 		マイクロソフト Microsoft Office Online Server
Microsoft Excel
Microsoft Office
Office Long Term Servicing Channel (LTSC)
Microsoft 365 Apps 		Microsoft Excel の情報漏えいの脆弱性 New CWE-125
境界外読み取り 		CVE-2026-40360 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
244 8.4 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Microsoft Word
Office Long Term Servicing Channel (LTSC) 		Microsoft Word のリモートでコードが実行される脆弱性 New CWE-416
解放済みメモリの使用 		CVE-2026-40361 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
245 7.8 重要
Local 		マイクロソフト Microsoft Office Online Server
Microsoft Excel
Microsoft Office
Office Long Term Servicing Channel (LTSC)
Microsoft 365 Apps 		Microsoft Excel のリモートでコードが実行される脆弱性 New CWE-122
ヒープオーバーフロー 		CVE-2026-40362 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
246 8.4 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Office Long Term Servicing Channel (LTSC) 		Microsoft Office のリモート コードが実行される脆弱性 New CWE-122
ヒープオーバーフロー 		CVE-2026-40363 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
247 8.4 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Microsoft Word
Office Long Term Servicing Channel (LTSC) 		Microsoft Word のリモートでコードが実行される脆弱性 New CWE-122
CWE-843
CWE-908
CVE-2026-40364 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
248 8.4 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Microsoft Word
Office Long Term Servicing Channel (LTSC) 		Microsoft Word のリモートでコードが実行される脆弱性 New CWE-416
解放済みメモリの使用 		CVE-2026-40366 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
249 8.4 重要
Local 		マイクロソフト Microsoft Office
Office Long Term Servicing Channel (LTSC)
Microsoft 365 Apps
Microsoft SharePoint Server
Microsoft Word 		Microsoft Word のリモートでコードが実行される脆弱性 New CWE-822
信頼性のないポインタデリファレンス 		CVE-2026-40367 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
250 7.8 重要
Local 		マイクロソフト Microsoft 365 Apps
Microsoft Office
Office Long Term Servicing Channel (LTSC) 		Microsoft Office クイック実行の特権の昇格の脆弱性 New CWE-416
解放済みメモリの使用 		CVE-2026-40418 2026-05-21 10:52 2026-05-12 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 23, 2026, 4:08 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
318451 7.5 HIGH
Network 		- - 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-2023-45960 2023-11-23 01:15 2023-10-26 Show GitHub Exploit DB Packet Storm
318452 - - - 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-2023-46377 2023-11-22 01:15 2023-11-22 Show GitHub Exploit DB Packet Storm
318453 6.5 MEDIUM
Network 		- - Rejected reason: Non Security Issue. See the binutils security policy for more details, https://sourceware.org/cgit/binutils-gdb/tree/binutils/SECURITY.txt - CVE-2021-3487 2023-11-20 14:15 2021-04-15 Show GitHub Exploit DB Packet Storm
318454 - - - Rejected reason: Confirm reference is not public. - CVE-2023-47638 2023-11-16 06:15 2023-11-16 Show GitHub Exploit DB Packet Storm
318455 - - - Rejected reason: appears to be a duplicate of CVE-2023-40206 - CVE-2023-6079 2023-11-16 02:15 2023-11-16 Show GitHub Exploit DB Packet Storm
318456 - - - Rejected reason: To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used. - CVE-2022-43830 2023-11-15 16:15 2023-01-1 Show GitHub Exploit DB Packet Storm
318457 - - - Rejected reason: To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used. - CVE-2022-43829 2023-11-15 16:15 2023-01-1 Show GitHub Exploit DB Packet Storm
318458 - - - Rejected reason: To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used. - CVE-2022-43828 2023-11-15 16:15 2023-01-1 Show GitHub Exploit DB Packet Storm
318459 - - - Rejected reason: To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used. - CVE-2022-43827 2023-11-15 16:15 2023-01-1 Show GitHub Exploit DB Packet Storm
318460 - - - Rejected reason: To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used. - CVE-2022-43826 2023-11-15 16:15 2023-01-1 Show GitHub Exploit DB Packet Storm