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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

35 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-40378 Windows Local Security Authority Subsystem Service (LSASS) Denial of Service VulnerabilityWindows Local Security Authority Subsystem Service (LSASS) Important 7.51.2%Denial of Service
KB5095051KB5099414+9
CVE-2026-45646 OData for ASP.NET and ASP.NET Core Denial of Service VulnerabilityASP.NET Core Important 7.51.2%Denial of Service
—
CVE-2026-47302 .NET Denial of Service Vulnerability.NET Important 7.51.2%Denial of Service Revised 20 Jul
KB5099535KB5100984+20
CVE-2026-49787 HTTP.sys Denial of Service VulnerabilityWindows HTTP.sys Important 7.51.2%Denial of Service
KB5099535KB5099536+5
CVE-2026-49788 HTTP/2 Denial of Service VulnerabilityHTTP/2 Important 7.51.2%Denial of Service
KB5099535KB5099536+5
CVE-2026-50304 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service Revised 21 Jul
KB5099444KB5099445+19
CVE-2026-50355 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service Revised 21 Jul
KB5099444KB5099445+19
CVE-2026-50368 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service Revised 21 Jul
KB5099444KB5099445+19
CVE-2026-50411 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service Revised 21 Jul
KB5099444KB5099445+22
CVE-2026-50424 Windows Domain Controller Denial of Service VulnerabilityWindows Domain Controller Important 7.51.2%Denial of Service
KB5099536KB5101649+1
CVE-2026-50506 OData for ASP.NET and ASP.NET Core Denial of Service VulnerabilityASP.NET Core Important 7.51.2%Denial of Service
—
CVE-2026-50524 .NET Framework Denial of Service Vulnerability.NET Framework Important 7.51.2%Denial of Service
KB5104032KB5104033+1
CVE-2026-50525 .NET Denial of Service Vulnerability.NET Important 7.51.2%Denial of Service Revised 21 Jul
KB5099535KB5100984+20
CVE-2026-50527 .NET Framework Denial of Service Vulnerability.NET Framework Important 7.51.2%Denial of Service Revised 20 Jul
KB5099535KB5100984+20
CVE-2026-50647 Active Directory Federation Server Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service Revised 21 Jul
KB5099444KB5099445+22
CVE-2026-50648 .NET Framework Denial of Service Vulnerability.NET Framework Important 7.51.2%Denial of Service Revised 20 Jul
KB5099535KB5100984+20
CVE-2026-50651 .NET Denial of Service Vulnerability.NET Important 7.51.2%Denial of Service
KB5104032KB5104033+1
CVE-2026-50652 Azure Active Directory Denial of Service VulnerabilityAzure Active Directory Important 7.51.7%Denial of Service Revised 21 Jul
KB5099535KB5100984+17
CVE-2026-50653 Azure Active Directory Denial of Service VulnerabilityAzure Active Directory Important 7.51.2%Denial of Service Revised 21 Jul
KB5099535KB5100984+17
CVE-2026-50695 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service
KB5099444KB5099445+7
CVE-2026-50696 Internet Key Exchange (IKE) Protocol Denial of Service VulnerabilityWindows Internet Key Exchange (IKE) Protocol Important 7.51.2%Denial of Service Revised 15 Sep
KB5099414KB5099536+5
CVE-2026-54119 Windows Active Directory Denial of Service VulnerabilityWindows Active Directory Important 7.51.2%Denial of Service
KB5099444KB5099445+7
CVE-2026-54983 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 7.51.2%Denial of Service
KB5099444KB5099445+7
CVE-2026-56170 ASP.NET Core Denial of Service VulnerabilityASP.NET Core Important 7.51.2%Denial of Service
KB5104032KB5104033+1
CVE-2026-57108 .NET Denial of Service Vulnerability.NET Core Important 7.51.2%Denial of Service
KB5104032KB5104033+1
CVE-2026-58627 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%Denial of Service
KB5099444KB5099445+4
CVE-2026-50682 Active Directory Denial of Service VulnerabilityWindows Active Directory Important 7.10.9%Denial of Service
KB5099536KB5099539+3
CVE-2026-49799 Windows Local Security Authority Subsystem Service (LSASS) Denial of Service VulnerabilityWindows Local Security Authority Subsystem Service (LSASS) Important 6.51.1%Denial of Service
KB5099444KB5099445+7
CVE-2026-50366 Windows Active Directory Domain Services Denial of Service VulnerabilityActive Directory Domain Services Important 6.51.1%Denial of Service
KB5099444KB5099445+7
CVE-2026-56168 Windows SMB Server Denial of Service VulnerabilityWindows SMB Server Important 6.51.1%Denial of Service
KB5099536KB5099539+3
CVE-2026-57976 Windows Active Directory Domain Services Denial of Service VulnerabilityActive Directory Domain Services Important 6.51.1%Denial of Service
KB5099444KB5099445+7
CVE-2026-50324 Windows Active Directory Federation Services Denial of Service VulnerabilityActive Directory Federation Services (AD FS) Important 5.90.9%Denial of Service Revised 21 Jul
KB5099444KB5099535+18
CVE-2026-44806 Windows Secure Channel Denial of Service VulnerabilityWindows Cryptographic Services Important 5.31.2%Denial of Service
KB5099444KB5099445+7
CVE-2026-50432 Window Virtual Filtering Platform (VFP) Denial of Service VulnerabilityWindows Virtual Filtering Platform (VFP) Important 5.31.0%Denial of Service
KB5099535KB5099536+5
CVE-2026-50485 Windows Hyper-V Denial of Service VulnerabilityWindows Hyper-V Important 4.50.7%Denial of Service
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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