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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

388 matches · most urgent first CSV Text
Fixed by KB5099536Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
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-2026-50353 DirectX Graphics Kernel Elevation of Privilege VulnerabilityWindows DirectX Important 7.80.3%Elevation of Privilege
KB5099536KB5101649+1
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-2026-50361 Microsoft Brokering File System Elevation of Privilege VulnerabilityWindows Brokering File System Important 7.80.3%Elevation of Privilege
KB5099536KB5101649+1
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-2026-50399 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5099539+3
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
CVE-2026-50417 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.3%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50421 Windows Connected User Experiences and Telemetry Elevation of Privilege VulnerabilityWindows Connected User Experiences and Telemetry Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50422 Windows NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.80.3%Elevation of Privilege Revised 28 Jul
KB5099444KB5099445+7
CVE-2026-50423 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5099539+3
CVE-2026-50425 Windows Internal System User Profile Elevation of Privilege VulnerabilityWindows Internal System User Profile Important 7.80.3%Elevation of Privilege
KB5099536KB5099539+2
CVE-2026-50427 Content Delivery Manager Elevation of Privilege VulnerabilityContent Delivery Manager Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+3
CVE-2026-50433 Windows Media Elevation of Privilege VulnerabilityWindows Media Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50435 Windows Overlay Filter Elevation of Privilege VulnerabilityWindows Overlay Filter Important 7.80.3%Elevation of Privilege Revised 27 Aug
KB5099444KB5099535+6
CVE-2026-50436 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-50441 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-2026-50448 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 31 Aug
KB5099444KB5099445+7
CVE-2026-50450 Windows Network Connections Service Elevation of Privilege VulnerabilityWindows Wireless Wide Area Network Service Important 7.80.2%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50454 Windows User Interface Core Elevation of Privilege VulnerabilityWindows User Interface Core Important 7.80.4%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-50457 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+3
CVE-2026-50458 Microsoft Brokering File System Elevation of Privilege VulnerabilityWindows Brokering File System Important 7.80.3%Elevation of Privilege Revised 22 Jul
KB5099536KB5101649+1
CVE-2026-50461 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50462 Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityWindows Ancillary Function Driver for WinSock Important 7.80.5%Elevation of Privilege Revised 31 Aug
KB5099444KB5099445+7
CVE-2026-50466 Microsoft Brokering File System Elevation of Privilege VulnerabilityWindows Brokering File System Important 7.80.3%Elevation of Privilege Revised 21 Aug
KB5099536KB5101649+1
CVE-2026-50469 Windows Projected File System Elevation of Privilege VulnerabilityWindows Projected File System Important 7.80.4%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50471 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099414KB5099444+8
CVE-2026-50476 Windows Network Connections Service Elevation of Privilege VulnerabilityMicrosoft Windows Important 7.80.3%Elevation of Privilege Revised 12 Aug
KB5099444KB5099445+7
CVE-2026-50478 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50479 Windows USB Hub Driver Elevation of Privilege VulnerabilityWindows USB Hub Driver Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+2
CVE-2026-50484 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4

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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