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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
4391 6.5 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における保護メカニズムの不具合に関する脆弱性 CWE-693
保護メカニズムの不具合 		CVE-2026-6763 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4392 6.5 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-6764 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4393 5.3 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における認可されていない行為者への個人情報の漏えいに関する脆弱性 CWE-359
認可されていないアクターへの個人情報の漏えい 		CVE-2026-6765 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4394 7.5 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における例外的な状態のチェックに関する脆弱性 CWE-754
例外的な状態における不適切なチェック 		CVE-2026-6766 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4395 5.3 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品におけるバッファエラーの脆弱性 CWE-119
バッファエラー 		CVE-2026-6767 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4396 9.8 緊急
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における代替パスまたはチャネルを使用した認証回避に関する脆弱性 CWE-288
代替パスまたはチャネルを使用した認証回避 		CVE-2026-6768 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4397 8.8 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における権限管理に関する脆弱性 CWE-269
不適切な権限管理 		CVE-2026-6769 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4398 6.5 警告
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における情報漏えいに関する脆弱性 CWE-200
情報漏えい 		CVE-2026-6770 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4399 9.8 緊急
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における代替パスまたはチャネルを使用した認証回避に関する脆弱性 CWE-288
代替パスまたはチャネルを使用した認証回避 		CVE-2026-6771 2026-04-24 11:39 2026-04-21 Show GitHub Exploit DB Packet Storm
4400 7.5 重要
Network 		Mozilla Foundation Mozilla Firefox
Mozilla Thunderbird 		Mozilla FoundationのMozilla Firefox等の複数製品における例外的な状態のチェックに関する脆弱性 CWE-754
例外的な状態における不適切なチェック 		CVE-2026-6772 2026-04-24 11:39 2026-04-21 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
611 9.8 CRITICAL
Network 		- - The TinyZero project thru commit 6652a63c57fa7e5ccde3fc9c598c7176ff15b839 (2025-58-24) contains a critical command injection vulnerability (CWE-78) in its HDFS file operation utilities. The vulnerabi… CWE-78
OS Command  		CVE-2026-31226 2026-05-20 03:14 2026-05-13 Show GitHub Exploit DB Packet Storm
612 8.8 HIGH
Local 		microsoft 365_apps
office
office_long_term_servicing_channel 		Insufficient granularity of access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally. CWE-1220
 Insufficient Granularity of Access Control 		CVE-2026-35436 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
613 5.5 MEDIUM
Local 		microsoft 365_apps
office
office_long_term_servicing_channel
word 		Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally. CWE-552
 Files or Directories Accessible to External Parties 		CVE-2026-35440 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
614 8.4 HIGH
Local 		microsoft 365_apps
office
office_long_term_servicing_channel 		Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. CWE-416
 Use After Free 		CVE-2026-40358 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
615 7.8 HIGH
Local 		microsoft 365_apps
excel
office
office_long_term_servicing_channel
office_online_server 		Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. CWE-416
 Use After Free 		CVE-2026-40359 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
616 7.8 HIGH
Local 		microsoft 365_apps
excel
office
office_long_term_servicing_channel
office_online_server 		Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. CWE-125
Out-of-bounds Read 		CVE-2026-40360 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
617 8.4 HIGH
Local 		microsoft 365_apps
office
office_long_term_servicing_channel
word 		Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. CWE-416
 Use After Free 		CVE-2026-40361 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
618 7.8 HIGH
Local 		microsoft 365_apps
excel
office
office_long_term_servicing_channel
office_online_server 		Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. CWE-122
Heap-based Buffer Overflow 		CVE-2026-40362 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
619 8.4 HIGH
Local 		microsoft 365_apps
office
office_long_term_servicing_channel 		Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. CWE-122
Heap-based Buffer Overflow 		CVE-2026-40363 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm
620 8.4 HIGH
Local 		microsoft 365_apps
office
office_long_term_servicing_channel
word 		Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. CWE-122
CWE-843
CWE-908
Heap-based Buffer Overflow
Type Confusion
 Use of Uninitialized Resource 		CVE-2026-40364 2026-05-20 03:05 2026-05-13 Show GitHub Exploit DB Packet Storm