slug: microsoft
Explanation
Microsoftは Windows、Office、Azure、Active Directory などを提供する世界最大のソフトウェア企業のひとつです。
企業の業務システムの大半が Microsoft 製品で動いているため、Microsoft製品の脆弱性は常に最重要監視対象です。
毎月第2火曜日 (Patch Tuesday) に脆弱性修正がまとめて配信されます。
Example
PrintNightmare (CVE-2021-34527): Windows印刷スプーラの脆弱性で、世界中の企業ネットワークが一時的に印刷機能を停止せざるを得なくなった。
Related tags
Vulnerabilities tagged with this 8,563
- High 7.5 Vulnerability in Windows SMB Server CVE-2026-20934
- Medium 6.2 Vulnerability in Microsoft Windows 11 23H2 CVE-2026-20935
- Medium 4.3 Out-of-Bounds Read in Windows NDIS Vulnerability in Windows NDIS (CVE-2026-20936). Confidential information can be exposed externally. CVE-2026-20936
- Medium 5.5 Information Disclosure in Windows File Explorer Vulnerability in Windows File Explorer (CVE-2026-20937). Confidential information can be exposed externally. CVE-2026-20937
- High 7.8 Vulnerability in Microsoft Windows 11 23H2 CVE-2026-20938
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20924
- Medium 6.5 Vulnerability in Windows NTLM CVE-2026-20925
- High 7.5 Vulnerability in Windows SMB Server CVE-2026-20926
- Medium 5.3 Vulnerability in Windows SMB Server CVE-2026-20927
- High 7.5 Vulnerability in Windows HTTP.sys CVE-2026-20929
- High 7.5 Vulnerability in Windows SMB Server CVE-2026-20921
- High 7.5 Vulnerability in Windows SMB Server CVE-2026-20919
- High 7.8 Use-After-Free in Microsoft Windows 11 23H2 Vulnerability in Microsoft Windows 11 23H2 (CVE-2026-20920). Successful exploitation can lead to full system takeover. CVE-2026-20920
- High 7.8 Vulnerability in Windows NTFS CVE-2026-20922
- High 7.8 Use-After-Free in Windows Management Services Vulnerability in Windows Management Services (CVE-2026-20923). Successful exploitation can lead to full system takeover. CVE-2026-20923
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20873
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20874
- High 7.5 Vulnerability in Windows Local Security Authority Subsystem Service CVE-2026-20875
- Medium 6.7 Vulnerability in Microsoft Windows 11 23H2 CVE-2026-20876
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20877
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20918
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20867
- High 8.8 Vulnerability in Microsoft Windows 10 1607 CVE-2026-20868
- High 7.0 Vulnerability in Windows Local Session Manager CVE-2026-20869
- High 7.8 Use-After-Free in Microsoft Windows 11 24H2 Vulnerability in Microsoft Windows 11 24H2 (CVE-2026-20870). Successful exploitation can lead to full system takeover. CVE-2026-20870
- High 7.8 Use-After-Free in Desktop Windows Manager Vulnerability in Desktop Windows Manager (CVE-2026-20871). Successful exploitation can lead to full system takeover. CVE-2026-20871
- Medium 6.5 Vulnerability in Windows NTLM CVE-2026-20872
- High 7.8 Vulnerability in Windows Management Services CVE-2026-20861
- Medium 5.5 Information Disclosure in Windows Management Services Vulnerability in Windows Management Services (CVE-2026-20862). Confidential information can be exposed externally. CVE-2026-20862
- High 7.0 Vulnerability in Microsoft Windows 11 23H2 CVE-2026-20863