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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 20, 2026, 2:09 p.m.

No CVSS Level
Attach Vector
Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show
Exploit
PoC
Search
261 7 重要
Local
マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows 10 1809
Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Wind…
Win32k の特権の昇格の脆弱性 New CWE-362
競合状態
CVE-2026-33839 2026-05-18 12:17 2026-05-12 Show GitHub Exploit DB Packet Storm
262 7.8 重要
Local
マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows 11 24h2
Microsoft Windows 11 26h1
Microsoft Windows Server 2025
Win32k の特権の昇格の脆弱性 New CWE-416
解放済みメモリの使用
CVE-2026-33840 2026-05-18 12:17 2026-05-12 Show GitHub Exploit DB Packet Storm
263 7.8 重要
Local
マイクロソフト Microsoft Windows 11 25h2
Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows 11 24h2
Microsoft Wind…
Windows カーネルの特権の昇格の脆弱性 New CWE-122
ヒープオーバーフロー
CVE-2026-33841 2026-05-18 12:17 2026-05-12 Show GitHub Exploit DB Packet Storm
264 7.5 重要
Network
MediaWiki MediaWiki MediaWikiにおける情報漏えいに関する脆弱性 New CWE-200
情報漏えい
CVE-2026-34087 2026-05-18 12:17 2026-05-11 Show GitHub Exploit DB Packet Storm
265 7.5 重要
Network
MediaWiki MediaWiki MediaWikiにおける情報漏えいに関する脆弱性 New CWE-200
CWE-noinfo
CVE-2026-34088 2026-05-18 12:17 2026-05-11 Show GitHub Exploit DB Packet Storm
266 7.5 重要
Network
MediaWiki Checkuser MediaWikiのCheckuserにおける情報漏えいに関する脆弱性 New CWE-200
情報漏えい
CVE-2026-34090 2026-05-18 12:17 2026-05-11 Show GitHub Exploit DB Packet Storm
267 7.5 重要
Network
MediaWiki MediaWiki MediaWikiにおける情報漏えいに関する脆弱性 New CWE-200
CWE-noinfo
CVE-2026-34091 2026-05-18 12:17 2026-05-11 Show GitHub Exploit DB Packet Storm
268 7.5 重要
Network
MediaWiki MediaWiki MediaWikiにおける情報漏えいに関する脆弱性 New CWE-200
CWE-noinfo
CVE-2026-34092 2026-05-18 12:17 2026-05-11 Show GitHub Exploit DB Packet Storm
269 8.8 重要
Adjacent
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…
Microsoft Message Queuing (MSMQ) 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-2026-34329 2026-05-18 12:17 2026-05-12 Show GitHub Exploit DB Packet Storm
270 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…
Win32k の特権の昇格の脆弱性 New CWE-190
CWE-416
CVE-2026-34330 2026-05-18 12:17 2026-05-12 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 20, 2026, 4:14 a.m.

No CVSS Level
Attach Vector
Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
871 7.4 HIGH
Adjacent
microsoft windows_10_1607
windows_10_1809
windows_10_21h2
windows_10_22h2
windows_11_23h2
windows_11_24h2
windows_11_25h2
windows_11_26h1
windows_server_2012
windows_server_2016
w…
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network. CWE-476
 NULL Pointer Dereference
CVE-2026-40413 2026-05-16 00:08 2026-05-13 Show GitHub Exploit DB Packet Storm
872 7.4 HIGH
Adjacent
microsoft windows_10_1607
windows_10_1809
windows_10_21h2
windows_10_22h2
windows_11_23h2
windows_11_24h2
windows_11_25h2
windows_11_26h1
windows_server_2012
windows_server_2016
w…
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network. CWE-476
 NULL Pointer Dereference
CVE-2026-40414 2026-05-16 00:07 2026-05-13 Show GitHub Exploit DB Packet Storm
873 8.1 HIGH
Network
microsoft windows_10_1809
windows_10_21h2
windows_10_22h2
windows_11_23h2
windows_11_24h2
windows_11_25h2
windows_11_26h1
windows_server_2019
windows_server_2022
windows_server_2022_…
Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network. CWE-416
 Use After Free
CVE-2026-40415 2026-05-16 00:06 2026-05-13 Show GitHub Exploit DB Packet Storm
874 3.3 LOW
Local
microsoft visual_studio_code Improper neutralization of script-related html tags in a web page (basic xss) in Visual Studio Code allows an unauthorized attacker to execute code locally. CWE-77
CWE-80
CWE-79
Command Injection
Basic XSS
Cross-site Scripting
CVE-2026-41611 2026-05-16 00:05 2026-05-13 Show GitHub Exploit DB Packet Storm
875 9.1 CRITICAL
Network
okfn ckan CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, a vulnerability in datastore_search_sql allowed attackers to bypass authoriza… CWE-863
 Incorrect Authorization
CVE-2026-42032 2026-05-16 00:02 2026-05-14 Show GitHub Exploit DB Packet Storm
876 9.8 CRITICAL
Network
okfn ckan CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, a vulnerability in datastore_search_sql allowed attackers to inject SQL in or… CWE-89
SQL Injection
CVE-2026-42031 2026-05-15 23:59 2026-05-14 Show GitHub Exploit DB Packet Storm
877 6.1 MEDIUM
Network
okfn ckan CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, Access to the views via tokens or unauthenticated requests marked the endpoin… CWE-352
 Origin Validation Error
CVE-2026-41255 2026-05-15 23:58 2026-05-14 Show GitHub Exploit DB Packet Storm
878 7.4 HIGH
Network
okfn ckan CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-sig… CWE-295
Improper Certificate Validation 
CVE-2026-41132 2026-05-15 23:57 2026-05-14 Show GitHub Exploit DB Packet Storm
879 5.3 MEDIUM
Network
- - Hedera Guardian through 3.5.1 contains an authentication bypass vulnerability in the GET /api/v1/demo/registered-users endpoint that allows unauthenticated attackers to retrieve sensitive user inform… CWE-306
Missing Authentication for Critical Function
CVE-2026-45248 2026-05-15 23:56 2026-05-15 Show GitHub Exploit DB Packet Storm
880 9.8 CRITICAL
Network
- - A supply chain attack compromised the official installation packages of DAEMON Tools Lite (Windows versions 12.5.0.2421 through 12.5.0.2434), distributed from the legitimate website daemon-tools.cc b… CWE-506
 Embedded Malicious Code
CVE-2026-8398 2026-05-15 23:56 2026-05-15 Show GitHub Exploit DB Packet Storm