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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
663Microsoft CVEsreleased Tue 14 Jul 77Critical56 need an update · rest fixed service-side 3Exploited in the wild
1Publicly disclosed
5In CISA KEV
100Revised since release

Act first · July 2026

Exploited, KEV-listed, or publicly disclosed
Remote Code Execution · CVSS 9.8 KB5002873KB5002874KB5002880
Security Feature Bypass · CVSS 9.1 KB5002882KB5002883KB5002891
Remote Code Execution · CVSS 9.8 KB5002882KB5002883KB5002891
Elevation of Privilege · CVSS 7.8 KB5099444KB5099445KB5099535+3
Elevation of Privilege · CVSS 5.3 KB5002882KB5002883KB5002891
Security Feature Bypass · CVSS 6.1 KB5099535KB5099536KB5099538+4
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update85
Remote Code Execution · CVSS 9.8 · EPSS 1.5% No KB listed
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5099444KB5099445KB5099535+3
Spoofing · CVSS 9.6 · EPSS 0.9% KB5103212KB5103213KB5103214+1
Remote Code Execution · CVSS 9.8 · EPSS 0.6% KB5099444KB5099445KB5099535+6
Remote Code Execution · CVSS 8.8 · EPSS 0.5% KB5099444KB5099445KB5099535+3
Remote Code Execution · CVSS 7.8 · EPSS 0.5% KB5099535KB5099536KB5099538+4
Remote Code Execution · CVSS 8.4 · EPSS 0.4% KB5099444KB5099445KB5099535+6
Remote Code Execution · CVSS 8.4 · EPSS 0.3% KB5099444KB5099445KB5099535+6
Showing 8 of 85All critical

CVEs · July 2026

336 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-49790 Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege VulnerabilityWindows Universal Disk Format File System Driver (UDFS) Important 7.30.4%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50364 Windows Backup Service Elevation of Privilege VulnerabilityWindows Server Backup Important 7.30.5%Elevation of Privilege
KB5099539KB5101649+1
CVE-2026-50482 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.30.4%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-58640 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.30.4%Remote Code Execution Revised 21 Jul
KB5099414KB5099444+8
CVE-2026-49165 Microsoft Windows App Store Information Disclosure VulnerabilityMicrosoft Windows App Store Important 7.10.3%Information Disclosure
KB5099535KB5099536+5
CVE-2026-49791 Windows Routing and Remote Access Service (RRAS) Elevation of Privilege VulnerabilityWindows Routing and Remote Access Service (RRAS) Important 7.10.4%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50354 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.10.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50451 Windows Routing and Remote Access Service (RRAS) Elevation of Privilege VulnerabilityWindows Routing and Remote Access Service (RRAS) Important 7.10.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50682 Active Directory Denial of Service VulnerabilityWindows Active Directory Important 7.10.9%Denial of Service
KB5099536KB5099539+3
CVE-2026-49183 Windows Clipboard Server Elevation of Privilege VulnerabilityWindows Clipboard Server Important 7.00.2%Elevation of Privilege Revised 25 Aug
KB5099536KB5099538+4
CVE-2026-49784 Microsoft Windows App Store Elevation of Privilege VulnerabilityMicrosoft Windows App Store Important 7.00.2%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-49803 Windows AppX Deployment Extensions Elevation of Privilege VulnerabilityWindows AppX Deployment Service Important 7.00.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-49805 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.00.2%Elevation of Privilege Revised 15 Sep
KB5099444KB5099445+7
CVE-2026-50296 DirectX Graphics Kernel Elevation of Privilege VulnerabilityWindows Graphics Kernel Important 7.00.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50297 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.00.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50307 Windows TCP/IP Elevation of Privilege VulnerabilityWindows TCP/IP Important 7.00.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50325 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.00.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50348 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.00.4%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50356 Microsoft Windows App Store Elevation of Privilege VulnerabilityMicrosoft Windows App Store Important 7.00.2%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50358 Windows Media Elevation of Privilege VulnerabilityWindows Media Important 7.00.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50359 Microsoft XML Core Services Elevation of Privilege VulnerabilityMicrosoft XML Core Services Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50371 Windows LUA File Virtualization Filter Driver Elevation of Privilege VulnerabilityWindows LUAFV Important 7.00.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50372 Windows Redirected Drive Buffering System Elevation of Privilege VulnerabilityWindows Redirected Drive Buffering Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50384 Windows Clip Service Elevation of Privilege VulnerabilityWindows Clip Service Important 7.00.2%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50390 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50397 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50406 Windows Backup Engine Elevation of Privilege VulnerabilityWindows Backup Engine Important 7.00.3%Elevation of Privilege
KB5099539KB5101649+1
CVE-2026-50410 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.00.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50449 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.00.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50452 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.00.4%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50459 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.00.3%Elevation of Privilege
KB5099536KB5099539+3
CVE-2026-50490 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50491 Code Integrity DLL (ci.dll) Elevation of Privilege VulnerabilityCode Integrity DLL (ci.dll) Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50669 Windows Telephony Server Elevation of Privilege VulnerabilityWindows Telephony Service Important 7.00.2%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50672 Windows NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.00.2%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-54129 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Important 7.00.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-54989 Quality Windows Audio/Video Experience (QWAVE) Elevation of Privilege VulnerabilityQuality Windows Audio/Video Experience (QWAVE) service Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-56173 Windows WebView Elevation of Privilege VulnerabilityWindows WebView Important 7.00.3%Elevation of Privilege
KB5099414KB5099536+5
CVE-2026-57093 Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityWindows Ancillary Function Driver for WinSock Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-58526 Windows Storage Elevation of Privilege VulnerabilityWindows Storage Important 7.00.2%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-58598 Windows Backup Service Elevation of Privilege VulnerabilityWindows Backup Engine Important 7.00.2%Elevation of Privilege
KB5099539KB5101649+1
CVE-2026-58619 Windows Sensor Data Service Elevation of Privilege VulnerabilityWindows Sensor Data Service Important 7.00.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-58629 DirectX Graphics Kernel Elevation of Privilege VulnerabilityWindows DirectX Important 7.00.3%Elevation of Privilege
KB5099414KB5099444+8
CVE-2026-58637 Windows Client-Side Caching Elevation of Privilege VulnerabilityWindows Client-Side Caching (CSC) Service Important 7.00.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-49168 Storage Spaces Direct Elevation of Privilege VulnerabilityWindows Storage Spaces Direct Important 6.80.4%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-50298 Windows Spaceport.sys Elevation of Privilege VulnerabilityWindows Spaceport.sys Important 6.80.4%Elevation of Privilege Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50299 Windows Storage Spaces Direct Remote Code Execution VulnerabilityWindows Storage Spaces Direct Important 6.80.4%Remote Code Execution
KB5099444KB5099535+6
CVE-2026-50426 Windows DNS Server Remote Code Execution VulnerabilityRole: DNS Server Important 6.80.6%Remote Code Execution
KB5099444KB5099445+4
CVE-2026-50492 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 6.80.4%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-50668 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows NTFS Important 6.80.4%Elevation of Privilege
KB5099535KB5099536+5

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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