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 8,562
- High 7.8 Vulnerability in Microsoft Sharepoint Server CVE-2026-44824
- High 7.8 Vulnerability in Microsoft Excel CVE-2026-44823
- High 7.8 Out-of-Bounds Read in Microsoft Office Word Vulnerability in Microsoft Office Word (CVE-2026-45457). Successful exploitation can lead to full system takeover. CVE-2026-45457
- High 8.2 Out-of-Bounds Read in Microsoft Excel Vulnerability in Microsoft Excel (CVE-2026-44822). Confidential information can be exposed externally. CVE-2026-44822
- Medium 5.5 Out-of-Bounds Read in Microsoft Sharepoint Server Vulnerability in Microsoft Sharepoint Server (CVE-2026-44821). Confidential information can be exposed externally. CVE-2026-44821
- Medium 5.4 Cross-Site Scripting (XSS) in Microsoft Sharepoint Server Cross-site scripting in Microsoft Sharepoint Server (CVE-2026-45453). Risk of unauthorized operations or information disclosure. CVE-2026-45453
- Medium 6.5 Path Traversal in Microsoft Sharepoint Server CVE-2026-45454
- Low 3.3 Out-of-Bounds Read in Microsoft Excel Vulnerability in Microsoft Excel (CVE-2026-45455). Risk of unauthorized operations or information disclosure. CVE-2026-45455
- High 8.4 Use-After-Free in Microsoft Sharepoint Server Vulnerability in Microsoft Sharepoint Server (CVE-2026-45458). Successful exploitation can lead to full system takeover. CVE-2026-45458
- Medium 4.7 Vulnerability in Microsoft Office CVE-2026-45460
- High 7.8 Use-After-Free in Windows Common Log File System Driver Vulnerability in Windows Common Log File System Driver (CVE-2026-44809). Successful exploitation can lead to full system takeover. CVE-2026-44809
- High 7.8 Use-After-Free in Windows DWM Core Library Vulnerability in Windows DWM Core Library (CVE-2026-44813). Successful exploitation can lead to full system takeover. CVE-2026-44813
- High 8.4 Authentication Bypass in Windows Cryptographic Services CVE-2026-44810
- High 7.8 Vulnerability in Microsoft Excel CVE-2026-44817
- High 7.8 Vulnerability in Microsoft Sharepoint Server CVE-2026-44819
- High 7.0 Vulnerability in Microsoft Excel CVE-2026-44818
- High 7.8 Vulnerability in Windows DWM Core Library CVE-2026-44811
- Medium 5.5 Vulnerability in Windows DWM Core Library CVE-2026-44814
- High 7.8 Vulnerability in Microsoft Excel CVE-2026-44812
- High 7.8 Out-of-Bounds Read in Microsoft Excel Vulnerability in Microsoft Excel (CVE-2026-44820). Successful exploitation can lead to full system takeover. CVE-2026-44820
- Critical 9.8 Vulnerability in Windows DHCP Client CVE-2026-44815
- High 7.8 Vulnerability in Windows Push Notifications CVE-2026-42991
- High 7.8 Vulnerability in Winlogon CVE-2026-42989
- High 7.5 Vulnerability in Remote Desktop Client CVE-2026-44799
- High 7.8 Use-After-Free in Microsoft Graphics Component Vulnerability in Microsoft Graphics Component (CVE-2026-42986). Successful exploitation can lead to full system takeover. CVE-2026-42986
- High 7.5 Vulnerability in Remote Desktop Client CVE-2026-42992
- High 7.8 Vulnerability in Microsoft Excel CVE-2026-44803
- High 7.8 Vulnerability in Windows DWM Core Library CVE-2026-44808
- High 7.5 Vulnerability in Remote Desktop Client CVE-2026-42993
- High 7.8 Use-After-Free in Windows DWM Core Library Vulnerability in Windows DWM Core Library (CVE-2026-44807). Successful exploitation can lead to full system takeover. CVE-2026-44807