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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-2026-55054 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 6.50.9%Information Disclosure
KB5002884KB5002886
CVE-2026-56168 Windows SMB Server Denial of Service VulnerabilityWindows SMB Server Important 6.51.1%Denial of Service
KB5099536KB5099539+3
CVE-2026-56185 Windows Admin Center Information Disclosure VulnerabilityWindows Admin Center Important 6.50.8%Information Disclosure
—
CVE-2026-56646 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.9%Spoofing
—
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-2026-57979 Windows Remote Desktop Protocol (RDP) Information Disclosure VulnerabilityWindows RDP Important 6.50.9%Information Disclosure
KB5099444KB5099535+6
CVE-2026-57982 Windows Remote Desktop Protocol (RDP) Information Disclosure VulnerabilityWindows RDP Important 6.51.0%Information Disclosure
KB5099444KB5099445+7
CVE-2026-57987 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.9%Spoofing
—
CVE-2026-58279 Azure CycleCloud Elevation of Privilege VulnerabilityAzure CycleCloud Important 6.50.6%Elevation of Privilege
—
CVE-2026-58523 Microsoft Edge for Android Security Feature Bypass VulnerabilityMicrosoft Edge for Android Important 6.50.9%Security Feature Bypass
—
CVE-2026-58533 Windows Remote Desktop Client Information Disclosure VulnerabilityWindows RDP Important 6.50.9%Information Disclosure
KB5099444KB5099445+7
CVE-2026-58535 Windows Remote Desktop Client Information Disclosure VulnerabilityWindows RDP Important 6.50.9%Information Disclosure
KB5099444KB5099445+7
CVE-2026-58539 Windows Remote Desktop Client Information Disclosure VulnerabilityWindows RDP Important 6.50.9%Information Disclosure
KB5099444KB5099445+7
CVE-2026-58546 Windows Remote Desktop Client Information Disclosure VulnerabilityWindows RDP Important 6.50.9%Information Disclosure
KB5099444KB5099445+7
CVE-2026-66312 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 6.51.1%Remote Code Execution
—
CVE-2026-66314 Microsoft Edge (Chromium-based) Information Disclosure VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.6%Information Disclosure
—
CVE-2026-66326 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.8%Remote Code Execution
—
CVE-2026-55000 Windows USB Print Driver Elevation of Privilege VulnerabilityWindows USB Print Driver Important 6.40.3%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-57097 Microsoft XML Security Feature Bypass VulnerabilityMicrosoft XML Important 6.40.5%Security Feature Bypass
KB5099444KB5099445+7
CVE-2026-50374 Windows Cloud Files Mini Filter Driver Elevation of Privilege VulnerabilityWindows Cloud Files Mini Filter Driver Important 6.30.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-50375 DirectX Graphics Kernel Elevation of Privilege VulnerabilityWindows DirectX Important 6.30.3%Elevation of Privilege Revised 15 Jul
KB5099536KB5099538+4
CVE-2026-57973 Windows Subsystem for Linux (WSL2) Kernel Tampering VulnerabilityWindows Subsystem for Linux Important 6.30.2%Tampering
—
CVE-2026-58543 Universal Print Management Service Elevation of Privilege VulnerabilityWindows USB Print Driver Important 6.30.2%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-49807 Windows DirectX Information Disclosure VulnerabilityWindows DirectX Important 6.20.5%Information Disclosure
KB5099536KB5099538+4
CVE-2026-50294 Windows Kernel Information Disclosure VulnerabilityWindows Kernel Important 6.20.5%Information Disclosure
KB5099444KB5099445+7
CVE-2026-50420 HTTP.sys Information Disclosure VulnerabilityWindows HTTP.sys Important 6.20.4%Information Disclosure
KB5099536KB5101649+1
CVE-2026-55026 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.20.4%Information Disclosure
KB5002882KB5002883+4
CVE-2026-57095 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 6.20.5%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-58300 Microsoft Edge for Android Information Disclosure VulnerabilityMicrosoft Edge for Android Important 6.20.4%Information Disclosure
—
CVE-2026-66311 Microsoft Edge (Chromium-based) Tampering VulnerabilityMicrosoft Edge (Chromium-based) Important 6.20.4%Tampering
—
CVE-2026-49174 DNS Client Tampering VulnerabilityWindows DNS Important 6.10.3%Tampering
KB5099536KB5099538+4
CVE-2026-50383 Windows Print Spooler Information Disclosure VulnerabilityWindows Print Spooler Components Important 6.10.4%Information Disclosure Revised 19 Aug
KB5099536KB5099538+4
CVE-2026-50453 Windows USB Audio Class Driver Information Disclosure VulnerabilityWindows USB Audio Class driver (usbaudio.sys) Important 6.10.5%Information Disclosure Revised 8 Sep
KB5099444KB5099445+7
CVE-2026-50495 DNS Client Tampering VulnerabilityWindows DNS Important 6.10.3%Tampering
KB5099536KB5099538+4
CVE-2026-54988 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 6.10.5%Information Disclosure
KB5002884KB5002886
CVE-2026-55898 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 6.10.5%Information Disclosure
KB5002884KB5002886
CVE-2026-58291 Microsoft Edge (Chromium-based) Information Disclosure VulnerabilityMicrosoft Edge (Chromium-based) Important 6.11.0%Information Disclosure
—
CVE-2026-65804 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.10.4%Spoofing
—
CVE-2026-66325 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.10.4%Spoofing
—
CVE-2026-58638 Windows Boot Loader Security Feature Bypass VulnerabilityWindows Boot Loader Important 6.00.2%Security Feature Bypass
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-2026-56649 Windows Network File System Remote Code Execution VulnerabilityWindows Network File System Important 5.90.7%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-33842 Windows File Explorer Information Disclosure VulnerabilityWindows File Explorer Important 5.50.5%Information Disclosure
KB5099414KB5099444+7
CVE-2026-34328 Windows Audio Service Information Disclosure VulnerabilityWindows Audio Service Important 5.50.5%Information Disclosure
KB5099414KB5099536+5
CVE-2026-34346 Windows Ancillary Function Driver for WinSock Information Disclosure VulnerabilityWindows Ancillary Function Driver for WinSock Important 5.50.3%Information Disclosure
KB5099414KB5099444+8
CVE-2026-34349 Windows Media Information Disclosure VulnerabilityWindows Media Important 5.50.5%Information Disclosure
KB5099536KB5099538+4
CVE-2026-40422 Windows File Explorer Information Disclosure VulnerabilityWindows File Explorer Important 5.50.4%Information Disclosure
KB5099535KB5099536+5
CVE-2026-41087 Windows File Explorer Information Disclosure VulnerabilityWindows File Explorer Important 5.50.5%Information Disclosure
KB5099535KB5099536+5
CVE-2026-45496 Visual Studio Code Security Feature Bypass VulnerabilityVisual Studio Code Important 5.50.5%Security Feature Bypass
—
CVE-2026-48580 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002884KB5002886

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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