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Security

CVE detail from Microsoft's public MSRC CVRF API, cross-checked with CISA's Known Exploited Vulnerabilities catalog. Counts cover Microsoft-issued CVEs; republished third-party CVEs such as Chromium or Linux are hidden unless you include them.

Security Update Guide CISA KEV

CVEs · all collected releases

311 matches · most urgent first CSV Text
Fixed by KB5099538Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-42900 Microsoft Windows App Store Elevation of Privilege VulnerabilityMicrosoft Windows App Store Important 8.10.5%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50439 Microsoft Message Queuing Queue Manager Remote Code Execution VulnerabilityWindows Message Queuing Queue Manager Important 8.10.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50460 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 8.10.5%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50686 Windows OLE Remote Code Execution VulnerabilityWindows OLE Important 8.10.7%Remote Code Execution
KB5099444KB5099535+6
CVE-2026-56186 Windows Secure Channel Information Disclosure VulnerabilityWindows Schannel Important 8.11.1%Information Disclosure
KB5099444KB5099445+7
CVE-2026-40400 Windows PowerShell Remote Code Execution VulnerabilityWindows PowerShell Important 8.00.9%Remote Code Execution Revised 21 Sep
KB5099444KB5099445+7
CVE-2026-42975 Windows Bluetooth Port Driver Remote Code ExecutionWindows Bluetooth Port Driver Important 8.00.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50365 Remote Access Management service/API (RPC server) Elevation of Privilege VulnerabilityWindows RPC API Important 8.00.5%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50502 Windows Event Logging Service Remote Code Execution VulnerabilityWindows Event Logging Service Important 8.00.7%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50683 Windows DHCP Client Elevation of Privilege VulnerabilityWindows DHCP Server Important 8.00.6%Elevation of Privilege Revised 15 Sep
KB5099444KB5099445+4
CVE-2026-49170 Windows StateRepository API Server file Elevation of Privilege VulnerabilityWindows StateRepository API Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-49176 Windows WalletService Elevation of Privilege VulnerabilityWindows WalletService Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-49783 Secure Boot Security Feature Bypass VulnerabilityWindows Secure Boot Important 7.80.3%Security Feature Bypass
KB5099535KB5099536+5
CVE-2026-49792 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-49793 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-49797 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-49800 Windows Web Proxy Auto-Discovery Protocol (WPAD) Elevation of Privilege VulnerabilityWindows Web Proxy Auto-Discovery Protocol (WPAD) Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50306 Windows TCP/IP Elevation of Privilege VulnerabilityWindows TCP/IP Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50308 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50309 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.3%Remote Code Execution Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50311 Windows Server Elevation of Privilege VulnerabilityWindows Server Important 7.80.3%Elevation of Privilege Revised 17 Sep
KB5099444KB5099445+7
CVE-2026-50313 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 14 Aug
KB5099444KB5099445+7
CVE-2026-50318 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50321 Windows USB Driver Elevation of Privilege VulnerabilityWindows USB Driver Important 7.80.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50329 Microsoft DWM Core Library Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50331 Windows Application Model Core API Elevation of Privilege VulnerabilityWindows Application Model Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50332 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50333 Windows Spaceport.sys Elevation of Privilege VulnerabilityWindows Spaceport.sys Important 7.80.3%Elevation of Privilege Revised 25 Aug
KB5099535KB5099536+5
CVE-2026-50335 Windows Operating Systems Elevation of Privilege VulnerabilityWindows Operating Systems Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50337 Windows Notification Elevation of Privilege VulnerabilityWindows Notification Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50343 Microsoft Install Service Elevation of Privilege VulnerabilityMicrosoft Install Service Important 7.80.3%Elevation of Privilege Revised 27 Jul
KB5099536KB5099538+4
CVE-2026-50344 Windows OLE Elevation of Privilege VulnerabilityWindows OLE Important 7.80.3%Elevation of Privilege Revised 31 Aug
KB5099444KB5099445+7
CVE-2026-50346 Netlogon RPC Elevation of Privilege VulnerabilityRPC Runtime Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50347 Windows Data.dll Remote Code Execution VulnerabilityWindows Data.dll Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50351 Windows Audio Compression Manager (ACM) Elevation of Privilege VulnerabilityWindows Audio Compression Manager (ACM) Important 7.80.3%Elevation of Privilege Revised 15 Sep
KB5099444KB5099445+7
CVE-2026-50357 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution Revised 10 Aug
KB5099535KB5099536+5
CVE-2026-50362 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.5%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-50363 Windows Push Notifications Elevation of Privilege VulnerabilityWindows Push Notifications Important 7.80.3%Elevation of Privilege
KB5099444KB5099535+6
CVE-2026-50367 Windows Sensor Data Service Elevation of Privilege VulnerabilityWindows Sensor Data Service Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50373 Windows Search Service Elevation of Privilege VulnerabilityMicrosoft Windows Search Component Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50378 Windows Key Guard Elevation of Privilege VulnerabilityWindows Key Guard Important 7.80.2%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50386 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50387 Windows GDI Elevation of Privilege VulnerabilityWindows GDI Important 7.80.3%Elevation of Privilege Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50388 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50391 Windows Group Policy Elevation of Privilege VulnerabilityWindows Group Policy Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50400 Windows App Package Installer Elevation of Privilege VulnerabilityWindows App Installer Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50402 NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50405 Windows Filtering Platform Elevation of Privilege VulnerabilityWindows Filtering Platform (WFP) Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50407 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Elevation of Privilege Revised 22 Jul
KB5099535KB5099536+5
CVE-2026-50412 Windows NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7

CISA KEV · Microsoft additions

389 Microsoft CVEs listed
CVE-2026-65660 SharePoint
Microsoft SharePoint Code Injection Vulnerability
Added 25 Sep 2026Federal due date 28 Sep
CVE-2026-85880 Windows
Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Added 8 Sep 2026Federal due date 22 Sep
CVE-2026-81963 Windows
Microsoft Windows Link Following Vulnerability
Added 8 Sep 2026Federal due date 22 Sep
CVE-2019-1068 SQL Server
Microsoft SQL Server Remote Code Execution Vulnerability
Added 26 Aug 2026Federal due date 29 Aug
CVE-2026-55040 SharePoint
Microsoft SharePoint Weak Authentication Vulnerability
Added 18 Aug 2026Federal due date 21 Aug
CVE-2026-33824 Internet Key Exchange (IKE) Service Extensions
Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
Added 18 Aug 2026Federal due date 21 Aug
CVE-2026-68820 Windows Ancillary Function Driver for WinSock
Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
Added 11 Aug 2026Federal due date 25 Aug
CVE-2026-50522 SharePoint
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Added 22 Jul 2026Federal due date 25 Jul
CVE-2026-58644 SharePoint
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Added 16 Jul 2026Federal due date 19 Jul
CVE-2026-56164 SharePoint Server
Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability
Added 14 Jul 2026Federal due date 17 Jul
CVE-2026-56155 Active Directory Federation Services
Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
Added 14 Jul 2026Federal due date 28 Jul
CVE-2026-45659 SharePoint ServerRansomware
Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability
Added 1 Jul 2026Federal due date 4 Jul

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