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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 21, 2026, 10 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
281 5.7 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数製品における入力確認に関する脆弱性 CWE-20
不適切な入力確認 		CVE-2026-20256 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
282 5.7 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数製品における入力確認に関する脆弱性 CWE-20
不適切な入力確認 		CVE-2026-20257 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
283 5.4 警告
Network 		Splunk Splunk
splunk cloud platform 		SplunkのSplunk等の複数製品におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2026-20258 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
284 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるOS コマンドインジェクションの脆弱性 CWE-78
OSコマンド・インジェクション 		CVE-2026-22893 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
285 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるNULL ポインタデリファレンスに関する脆弱性 CWE-476
NULL ポインタデリファレンス 		CVE-2026-24716 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
286 7.2 重要
Network 		QNAP Systems QuTS hero
QNAP QTS 		QNAP SystemsのQNAP QTS等の複数製品におけるOS コマンドインジェクションの脆弱性 CWE-78
OSコマンド・インジェクション 		CVE-2026-24719 2026-06-16 13:38 2026-06-10 Show GitHub Exploit DB Packet Storm
287 5.3 警告
Network 		NAVTOR AS NavBox Firmware NAVTOR ASのNavBox Firmwareにおけるエラーメッセージによる情報漏えいに関する脆弱性 CWE-209
エラーメッセージによる情報漏えい 		CVE-2026-2752 2026-06-16 13:38 2026-03-6 Show GitHub Exploit DB Packet Storm
288 7.5 重要
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおける境界外読み取りに関する脆弱性 CWE-125
境界外読み取り 		CVE-2026-34180 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
289 7.4 重要
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおけるデータの整合性検証不備に関する脆弱性 CWE-354
データの整合性検証不備 		CVE-2026-34181 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
290 9.1 緊急
Network 		OpenSSL Project OpenSSL OpenSSL ProjectのOpenSSLにおけるデータの整合性検証不備に関する脆弱性 CWE-354
データの整合性検証不備 		CVE-2026-34182 2026-06-16 13:38 2026-06-9 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 21, 2026, 4:01 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
191241 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 		Win32k Elevation of Privilege Vulnerability CWE-20
 Improper Input Validation  		CVE-2021-34516 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191242 7.8 HIGH
Local 		microsoft windows_server_2008
windows_server_2012
windows_8.1
windows_server_2016
windows_7
windows_rt_8.1
windows_10
windows_server_2019 		Windows Kernel Elevation of Privilege Vulnerability CWE-269
 Improper Privilege Management 		CVE-2021-34514 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191243 7.8 HIGH
Local 		microsoft windows_10
windows_server_2016 		Storage Spaces Controller Elevation of Privilege Vulnerability CWE-190
 Integer Overflow or Wraparound 		CVE-2021-34513 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191244 7.8 HIGH
Local 		microsoft windows_10
windows_server_2016
windows_server_2019 		Storage Spaces Controller Elevation of Privilege Vulnerability CWE-190
 Integer Overflow or Wraparound 		CVE-2021-34512 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191245 7.8 HIGH
Local 		microsoft windows_server_2008
windows_server_2012
windows_10
windows_server_2016
windows_7
windows_server_2019 		Windows Installer Elevation of Privilege Vulnerability CWE-269
 Improper Privilege Management 		CVE-2021-34511 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191246 7.8 HIGH
Local 		microsoft windows_10
windows_server_2019
windows_server_2016 		Storage Spaces Controller Elevation of Privilege Vulnerability CWE-190
 Integer Overflow or Wraparound 		CVE-2021-34510 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191247 5.5 MEDIUM
Local 		microsoft windows_10
windows_server_2016
windows_server_2019 		Storage Spaces Controller Information Disclosure Vulnerability NVD-CWE-noinfo
CVE-2021-34509 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191248 8.8 HIGH
Network 		microsoft windows_10
windows_server_2019
windows_server_2016 		Windows Kernel Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34508 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191249 6.5 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 Remote Assistance Information Disclosure Vulnerability NVD-CWE-noinfo
CVE-2021-34507 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm
191250 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 		Windows Address Book Remote Code Execution Vulnerability NVD-CWE-noinfo
CVE-2021-34504 2024-11-21 15:10 2021-07-15 Show GitHub Exploit DB Packet Storm