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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

663 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-57083 Windows Media Photo Codec Information Disclosure VulnerabilityMicrosoft Windows Codecs Library Important 5.50.5%Information Disclosure
KB5099444KB5099445+7
CVE-2026-57084 Windows File Explorer Information Disclosure VulnerabilityWindows File Explorer Important 5.50.5%Information Disclosure
KB5099444KB5099445+7
CVE-2026-57085 Windows Print Spooler Information Disclosure VulnerabilityWindows Print Spooler Components Important 5.50.4%Information Disclosure Revised 8 Sep
KB5099444KB5099445+7
CVE-2026-58545 Windows Kernel Security Feature Bypass VulnerabilityWindows Kernel Important 5.50.4%Security Feature Bypass
KB5099444KB5099445+7
CVE-2026-58547 Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege VulnerabilityUniversal Plug and Play (upnp.dll) Important 5.50.4%Elevation of Privilege Revised 21 Aug
KB5099536KB5099538+4
CVE-2026-58614 Windows Kernel Security Feature Bypass VulnerabilityWindows Kernel Important 5.50.4%Security Feature Bypass
KB5099444KB5099445+7
CVE-2026-56157 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 5.40.5%Spoofing
KB5002882KB5002883+1
CVE-2026-57978 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.2%Spoofing
—
CVE-2026-57980 Microsoft Edge (Chromium-based) Tampering VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.4%Tampering
—
CVE-2026-58278 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.4%Spoofing
—
CVE-2026-58524 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.4%Spoofing
—
CVE-2026-66316 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.2%Spoofing
—
CVE-2026-66317 Microsoft Edge (Chromium-based) Tampering VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.2%Tampering
—
CVE-2026-44806 Windows Secure Channel Denial of Service VulnerabilityWindows Cryptographic Services Important 5.31.2%Denial of Service
KB5099444KB5099445+7
CVE-2026-50415 Windows Media Information Disclosure VulnerabilityWindows Media Important 5.30.9%Information Disclosure
KB5099536KB5099538+4
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-2026-50418 Windows System Secure Feature Bypass VulnerabilityWindows System Important 5.10.3%Security Feature Bypass
KB5099536KB5099540+2
CVE-2026-50684 Active Directory Federation Server Spoofing VulnerabilityActive Directory Federation Services (AD FS) Important 4.80.4%Spoofing
KB5099444KB5099445+4
CVE-2026-49167 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 4.70.4%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50310 Windows Human Interface Device Information Disclosure VulnerabilityWindows Devices Human Interface Important 4.70.3%Information Disclosure
KB5099536KB5099538+4
CVE-2026-50312 Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityWindows Ancillary Function Driver for WinSock Important 4.70.4%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-50657 Microsoft Defender for Endpoint for Mac Information Disclosure VulnerabilityMicrosoft Defender Important 4.70.4%Information Disclosure
—
CVE-2026-49794 Windows USB Audio Class Driver Information Disclosure VulnerabilityWindows USB Audio Class driver (usbaudio.sys) Important 4.60.5%Information Disclosure
KB5099444KB5099445+7
CVE-2026-55016 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-55019 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-55020 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-55030 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-55135 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-62826 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 4.60.6%Spoofing
KB5002882KB5002883+1
CVE-2026-50485 Windows Hyper-V Denial of Service VulnerabilityWindows Hyper-V Important 4.50.7%Denial of Service
KB5099444KB5099445+7
CVE-2026-50302 Windows Cryptographic Services Security Feature Bypass VulnerabilityWindows Cryptographic Services Important 4.20.3%Security Feature Bypass
KB5099536KB5099539+3
CVE-2026-50416 Win32k Information Disclosure VulnerabilityWindows Win32K Important 3.30.5%Information Disclosure Revised 3 Aug
KB5099536KB5101649+1
CVE-2026-50419 Windows Kernel Information Disclosure VulnerabilityWindows Kernel Important 3.30.5%Information Disclosure Revised 18 Aug
KB5099444KB5099445+7
CVE-2026-58643 Windows Admin Center Spoofing VulnerabilityWindows Admin Center Important —0.4%Spoofing Revised 12 Aug
—
CVE-2026-56181 Windows Network Address Translation (NAT) Spoofing VulnerabilityWindows Network Address Translation (NAT) Moderate 8.30.3%Spoofing
KB5099536KB5101649+1
CVE-2026-45489 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Moderate 6.50.9%Spoofing Revised 12 Jul
—
CVE-2026-55145 Outlook Copilot Tampering VulnerabilityOutlook Copilot Moderate 6.30.5%Tampering
—
CVE-2026-45488 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Moderate 5.40.4%Spoofing
—
CVE-2026-62828 Microsoft Edge for Android (Chromium-based) Tampering VulnerabilityMicrosoft Edge for Android Moderate 5.40.4%Tampering
—
CVE-2026-55945 Microsoft Edge (Chromium-based) Information Disclosure VulnerabilityMicrosoft Edge (Chromium-based) Moderate 4.20.2%Information Disclosure
—
CVE-2026-58597 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Low 4.30.7%Spoofing
—
CVE-2026-56163 Microsoft Azure Kubernetes Service Elevation of Privilege VulnerabilityMicrosoft Azure Kubernetes Service Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-56191 Microsoft Exchange Online Tampering VulnerabilityMicrosoft Exchange Online Critical 10.00.9%Tampering
Service-side fix
CVE-2026-57106 Data Quality Elevation of Privilege VulnerabilityData Quality Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-58275 Azure DNS Elevation of Privilege VulnerabilityAzure DNS Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-58630 Azure App Service on Azure Stack Hub Elevation of Privilege VulnerabilityAzure App Service Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-62825 Azure Key Vault Elevation of Privilege VulnerabilityAzure Key Vault Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-66803 Azure Cosmos DB Remote Code Execution VulnerabilityAzure Cosmos DB Critical 10.00.9%Remote Code Execution
Service-side fix
CVE-2026-45499 Azure OpenAI Elevation of Privilege VulnerabilityAzure OpenAI Critical 9.90.8%Elevation of Privilege Revised 9 Sep
Service-side fix
CVE-2026-50517 Microsoft M365 Copilot Remote Code Execution VulnerabilityM365 Copilot Critical 9.91.7%Remote Code Execution
Service-side fix

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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