Microsoft Latest High & Critical Vulnerabilities
Latest High & Critical vulnerabilities published by microsoft
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Improper Access Control in Microsoft Teams by Microsoft
CVE-2026-21535MicrosoftMicrosoft Teams8.2HIGHRemote Code Execution Vulnerability in Microsoft's Python SDK for Semantic Kernel
CVE-2026-26030MicrosoftSemantic-kernel10CRITICALElevation of Privileges in Windows Admin Center by Microsoft
CVE-2026-26119MicrosoftWindows Admin Center8.8HIGHCode Execution Vulnerability in Markdown Preview Enhanced for Visual Studio Code
CVE-2025-65716MicrosoftVisual Studio Code Ext...8.8HIGHCommand Injection Vulnerability in Windows Notepad App by Microsoft
CVE-2026-20841MicrosoftWindows Notepad🥇📈👾🟡7.8HIGHBuffer Over-read Vulnerability in Windows GDI+ by Microsoft
CVE-2026-20846MicrosoftWindows 10 Version 16077.5HIGHImproper Certificate Validation in Azure Local by Microsoft
CVE-2026-21228MicrosoftAzure Local8.1HIGHRace Condition Vulnerability in Windows Kernel by Microsoft
CVE-2026-21231MicrosoftWindows 10 Version 16077.8HIGHElevation of Privilege Vulnerability in Microsoft Windows HTTP.sys
CVE-2026-21232MicrosoftWindows 11 Version 22h37.8HIGHRace Condition Vulnerability in Windows Subsystem for Linux by Microsoft
CVE-2026-21237MicrosoftWindows 10 Version 21h27HIGHElevation of Privilege Vulnerability in Windows Ancillary Function Driver by Microsoft
CVE-2026-21238MicrosoftWindows 10 Version 16077.8HIGHHeap-based Buffer Overflow in Windows Kernel by Microsoft
CVE-2026-21239MicrosoftWindows 10 Version 16077.8HIGHElevation of Privilege Vulnerability in Windows Ancillary Function Driver by Microsoft
CVE-2026-21241MicrosoftWindows 11 Version 22h3🥇📈7HIGHTime-of-Check Time-of-Use Vulnerability in Windows HTTP.sys
CVE-2026-21240MicrosoftWindows 10 Version 18097.8HIGHNull Pointer Dereference Vulnerability in Windows LDAP by Microsoft
CVE-2026-21243MicrosoftWindows Server 20197.5HIGHHeap-based Buffer Overflow in Windows Hyper-V by Microsoft
CVE-2026-21244MicrosoftWindows 10 Version 16077.3HIGHHeap-based Buffer Overflow in Windows Kernel by Microsoft
CVE-2026-21245MicrosoftWindows 11 Version 24h27.8HIGHUntrusted Pointer Dereference in Windows HTTP.sys by Microsoft
CVE-2026-21250MicrosoftWindows 11 Version 24h27.8HIGHPrivilege Escalation Vulnerability in Microsoft Windows Cluster Client Failover
CVE-2026-21251MicrosoftWindows Server 20167.8HIGHElevation of Privilege Vulnerability in Mailslot File System by Microsoft
CVE-2026-21253MicrosoftWindows 10 Version 16077HIGHAccess Control Flaw in Windows Hyper-V by Microsoft
CVE-2026-21255MicrosoftWindows 10 Version 16078.8HIGHCommand Injection Vulnerability in GitHub Copilot and Visual Studio
CVE-2026-21256MicrosoftMicrosoft Visual Studi...8.8HIGHCommand Injection Vulnerability in GitHub Copilot and Visual Studio
CVE-2026-21257MicrosoftMicrosoft Visual Studi...8HIGHImproper Authentication in Windows Storage by Microsoft
CVE-2026-21508MicrosoftWindows 10 Version 16077HIGHDeserialization Vulnerability in Microsoft Office Outlook
CVE-2026-21511MicrosoftMicrosoft 365 Apps For...7.5HIGH