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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-2026-56155 Active Directory Federation Services Elevation of Privilege VulnerabilityActive Directory Federation Services (AD FS) Important 7.80.3%Elevation of Privilege ExploitedCISA KEV · due 28 Jul
KB5099444KB5099445+4
CVE-2026-50661 Windows BitLocker Security Feature Bypass VulnerabilityWindows BitLocker Important 6.10.5%Security Feature Bypass DisclosedRevised 24 Aug
KB5099535KB5099536+5
CVE-2026-57092 Microsoft Windows VMSwitch Elevation of Privilege VulnerabilityWindows VMSwitch Critical 9.90.9%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50518 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 9.81.0%Remote Code Execution
KB5099444KB5099445+4
CVE-2026-56159 DHCP Server Service Remote Code Execution VulnerabilityWindows DHCP Server Critical 9.81.0%Remote Code Execution Revised 27 Jul
KB5099444KB5099445+4
CVE-2026-56188 Windows Server Network driver Remote Code Execution VulnerabilityWindows Server Network driver Critical 9.80.6%Remote Code Execution Revised 17 Aug
KB5099444KB5099445+7
CVE-2026-50380 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 9.60.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-48564 DHCP Server Service Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.80.9%Remote Code Execution
KB5094041KB5094042+4
CVE-2026-50370 DHCP Server Service Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.80.5%Remote Code Execution
KB5099444KB5099445+4
CVE-2026-50382 DirectX Graphics Kernel Remote Code Execution VulnerabilityWindows DirectX Critical 8.80.3%Remote Code Execution
KB5099536KB5099538+4
CVE-2026-50444 Windows Server Update Service (WSUS) Elevation of Privilege VulnerabilityWindows Server Update Service Critical 8.80.8%Elevation of Privilege
KB5099444KB5099445+4
CVE-2026-50474 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Critical 8.80.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-54121 Active Directory Certificate Services Elevation of Privilege VulnerabilityActive Directory Certificate Services (AD CS) Critical 8.80.8%Elevation of Privilege
KB5099444KB5099445+4
CVE-2026-54982 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-54999 Windows TCP/IP Remote Code Execution VulnerabilityWindows TCP/IP Critical 8.80.4%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-57087 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-57090 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-57094 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.8%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-58608 Windows Print Spooler Remote Code Execution VulnerabilityWindows Print Spooler Components Critical 8.80.6%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-54128 Windows DHCP Client Remote Code Execution VulnerabilityWindows DHCP Client Critical 8.40.4%Remote Code Execution Revised 30 Jul
KB5099444KB5099445+7
CVE-2026-54992 Microsoft Message Queuing Queue Manager Remote Code Execution VulnerabilityWindows Message Queuing Queue Manager Critical 8.40.3%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50680 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Critical 8.20.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-49164 Windows Active Directory Domain Services Remote Code Execution VulnerabilityActive Directory Domain Services Critical 8.10.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50694 Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution VulnerabilityWindows Secure Socket Tunneling Protocol (SSTP) Critical 8.10.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-54995 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.10.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-42982 Windows Secure Kernel Mode Elevation of Privilege VulnerabilityWindows Secure Kernel Mode Critical 7.80.3%Elevation of Privilege
KB5095051KB5099414+7
CVE-2026-49796 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50327 Windows Media Remote Code Execution VulnerabilityWindows Media Critical 7.80.3%Remote Code Execution
KB5099536KB5101649+1
CVE-2026-50655 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityWindows Media Critical 7.80.5%Remote Code Execution Revised 12 Aug
KB5099535KB5099536+5
CVE-2026-56189 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 7.80.4%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-58542 Windows Media Remote Code Execution VulnerabilityWindows Media Critical 7.80.4%Remote Code Execution
KB5099536KB5101649+1
CVE-2026-54127 Windows Hyper-V Elevation of Privilege VulnerabilityWindows Hyper-V Critical 7.40.3%Elevation of Privilege
KB5099536KB5099540+2
CVE-2026-50392 Windows Secure Kernel Mode Elevation of Privilege VulnerabilityWindows Secure Kernel Mode Critical 7.00.3%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-42990 SQL Server ODBC driver Elevation of Privilege VulnerabilitySQL Server ODBC driver Important 9.81.0%Remote Code Execution
KB5094041KB5094042+9
CVE-2026-49172 Windows FTP Service Remote Code Execution VulnerabilityWindows FTP Service Important 9.81.0%Remote Code Execution
KB5099414KB5099535+6
CVE-2026-50447 Windows Message Queuing Service (MSMQ) Remote Code Execution VulnerabilityWindows Message Queuing Important 9.81.0%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-54990 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Important 9.80.8%Remote Code Execution Revised 8 Sep
KB5099536KB5101649+1
CVE-2026-56190 Remote Desktop Protocol Remote Code Execution VulnerabilityWindows RDP Important 9.81.0%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-49798 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 9.30.4%Elevation of Privilege Revised 20 Aug
KB5099444KB5099445+7
CVE-2026-49178 Windows Active Directory Domain Services Remote Code Execution VulnerabilityActive Directory Domain Services Important 8.80.9%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-49795 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50360 Windows SMB Server Elevation of Privilege VulnerabilityWindows SMB Server Important 8.80.8%Elevation of Privilege
KB5099536KB5099539+3
CVE-2026-50369 Windows Remote Desktop Services Elevation of Privilege VulnerabilityWindows Remote Desktop Services Important 8.80.7%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50385 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 8.80.3%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-50398 Windows Media Elevation of Privilege VulnerabilityWindows Media Important 8.80.6%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-50413 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 8.80.3%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-50477 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50489 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 8.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50666 Windows Remote Access Elevation of Privilege VulnerabilityWindows Remote Access Connection Manager Important 8.80.9%Elevation of Privilege
KB5099444KB5099535+6
CVE-2026-50670 Windows Win32k Elevation of Privilege VulnerabilityWindows Kernel Important 8.80.3%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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