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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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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
591 9.6 緊急
Adjacent 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows 11 26h1
Microsoft Windows 11 24h2
Microsoft Wind… 		Windows TCP/IP の特権昇格の脆弱性 CWE-122
ヒープオーバーフロー 		CVE-2026-42904 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
592 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft&n… 		Windows DWM Core ライブラリの特権の昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-42905 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
593 5.5 警告
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows 11 26h1
Microsoft Windows 11 24h2
Microsoft Wind… 		Windows シェルの情報漏えいの脆弱性 CWE-200
情報漏えい 		CVE-2026-42906 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
594 6.5 警告
Network 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2019
Microsoft Windows 11 26h1
Microsoft … 		Windows シェルの情報漏えいの脆弱性 CWE-200
情報漏えい 		CVE-2026-42907 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
595 7.8 重要
Local 		マイクロソフト Microsoft Windows Server 2025
Microsoft Windows 11 25h2
Microsoft Windows 11 26h1
Microsoft Windows 11 24h2 		Windows ホットパッチ監視サービスの特権昇格の脆弱性 CWE-787
境界外書き込み 		CVE-2026-42910 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
596 7 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft&n… 		WinSock 用 Windows Ancillary Function Driver の特権の昇格の脆弱性 CWE-416
解放済みメモリの使用 		CVE-2026-42911 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
597 7 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft&n… 		Windows テレフォニー サービスの特権昇格の脆弱性 CWE-362
競合状態 		CVE-2026-42912 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
598 5.3 警告
Network 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft&n… 		Windows Kerberos のサービス拒否の脆弱性 CWE-125
境界外読み取り 		CVE-2026-42914 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
599 5.7 警告
Adjacent 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows 11 26h1
Microsoft Windows 11 24h2
Microsoft Wind… 		Windows TCP/IP のサービス拒否の脆弱性 CWE-131
正しくないバッファサイズ計算 		CVE-2026-42915 2026-06-12 14:52 2026-06-9 Show GitHub Exploit DB Packet Storm
600 7.8 重要
Local 		マイクロソフト Microsoft Windows 11 23h2
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft&n… 		NT OS カーネルの特権の昇格の脆弱性 CWE-190
整数オーバーフローまたはラップアラウンド 		CVE-2026-42916 2026-06-12 14:52 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
254561 7.5 HIGH
Network 		flightgear flightgear In FlightGear before 2017.2.1, the FGCommand interface allows overwriting any file the user has write access to, but not with arbitrary data: only with the contents of a FlightGear flightplan (XML). … CWE-22
Path Traversal 		CVE-2017-8921 2024-11-21 12:34 2017-05-13 Show GitHub Exploit DB Packet Storm
254562 7.2 HIGH
Network 		cmsmadesimple cms_made_simple CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated administrators to execute arbitrary PHP code via the code parameter to admin/editusertag.php, related to the CreateTagFunction and CallUserTa… CWE-94
Code Injection 		CVE-2017-8912 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254563 9.8 CRITICAL
Network 		tnef_project tnef An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker. CWE-191
 Integer Underflow (Wrap or Wraparound) 		CVE-2017-8911 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254564 5.5 MEDIUM
Local 		artifex ghostscript The mark_line_tr function in gxscanc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PostScript document. CWE-125
Out-of-bounds Read 		CVE-2017-8908 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254565 4.6 MEDIUM
Physics 		lightdm_project lightdm LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users… NVD-CWE-noinfo
CVE-2017-8900 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254566 5.5 MEDIUM
Local 		multicorewareinc x265_high_efficiency_video_coding An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as used by the x265_encoder_encode dependency in libbpg and ot… CWE-191
 Integer Underflow (Wrap or Wraparound) 		CVE-2017-8906 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254567 8.8 HIGH
Local 		xen xen Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215. CWE-682
 Incorrect Calculation 		CVE-2017-8905 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254568 8.8 HIGH
Local 		xen xen Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the… NVD-CWE-noinfo
CVE-2017-8904 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254569 8.8 HIGH
Local 		xen xen Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213. NVD-CWE-noinfo
CVE-2017-8903 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm
254570 5.9 MEDIUM
Network 		oneplus oxygenos An issue was discovered on OnePlus One and X devices. Due to a lenient updater-script on the OnePlus One and X OTA images, the fact that both products use the same OTA verification keys, and the fact… CWE-319
Cleartext Transmission of Sensitive Information 		CVE-2017-8851 2024-11-21 12:34 2017-05-12 Show GitHub Exploit DB Packet Storm