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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

176 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
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-2026-58289 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 9.02.0%Remote Code Execution
—
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-2026-50663 Game: Age of Empires II: Definitive Edition Remote Code Execution VulnerabilityAge of Empires II: Definitive Edition Game Important 8.80.9%Remote Code Execution
—
CVE-2026-55005 Microsoft Exchange Server Remote Code Execution VulnerabilityMicrosoft Exchange Server Important 8.81.0%Remote Code Execution
KB5103212KB5103213+2
CVE-2026-56196 Windows Admin Center (WAC) Remote Code Execution VulnerabilityWindows Admin Center Important 8.81.0%Remote Code Execution
—
CVE-2026-56197 Windows Admin Center (WAC) Remote Code Execution VulnerabilityWindows Admin Center Important 8.81.0%Remote Code Execution Revised 30 Jul
—
CVE-2026-56645 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%Remote Code Execution
—
CVE-2026-57974 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%Remote Code Execution
—
CVE-2026-57981 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.80.8%Remote Code Execution
—
CVE-2026-58594 Remote Desktop Client Remote Code Execution VulnerabilityWindows RDP Important 8.80.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-58626 Windows Remote Desktop Services Remote Code Execution VulnerabilityWindows Remote Desktop Services Important 8.80.9%Remote Code Execution
KB5099536KB5099539+3
CVE-2026-62870 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.8%Remote Code Execution
KB5002886
CVE-2026-49184 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 8.40.3%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50520 Visual Studio Code Remote Code Execution VulnerabilityVisual Studio Code Important 8.40.4%Remote Code Execution
—
CVE-2026-54122 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Important 8.40.4%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-58281 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.31.0%Remote Code Execution
—
CVE-2026-58284 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.30.6%Remote Code Execution
—
CVE-2026-58285 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.30.6%Remote Code Execution
—
CVE-2026-58287 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.30.6%Remote Code Execution
—
CVE-2026-58288 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.30.6%Remote Code Execution
—
CVE-2026-50439 Microsoft Message Queuing Queue Manager Remote Code Execution VulnerabilityWindows Message Queuing Queue Manager Important 8.10.8%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50686 Windows OLE Remote Code Execution VulnerabilityWindows OLE Important 8.10.7%Remote Code Execution
KB5099444KB5099535+6
CVE-2026-58293 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 8.10.6%Remote Code Execution
—
CVE-2026-40400 Windows PowerShell Remote Code Execution VulnerabilityWindows PowerShell Important 8.00.9%Remote Code Execution Revised 21 Sep
KB5099444KB5099445+7
CVE-2026-42975 Windows Bluetooth Port Driver Remote Code ExecutionWindows Bluetooth Port Driver Important 8.00.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-49169 Windows DNS Server Remote Code Execution VulnerabilityRole: DNS Server Important 8.00.8%Remote Code Execution
KB5099536
CVE-2026-50502 Windows Event Logging Service Remote Code Execution VulnerabilityWindows Event Logging Service Important 8.00.7%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-47290 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 7.80.5%Remote Code Execution
KB5002273
CVE-2026-47305 Visual Studio Remote Code Execution VulnerabilityVisual Studio Important 7.80.5%Remote Code Execution
—
CVE-2026-47642 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884
CVE-2026-49792 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-49793 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-49797 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50301 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 7.80.5%Remote Code Execution
KB5002887
CVE-2026-50308 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50309 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.3%Remote Code Execution Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50313 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 14 Aug
KB5099444KB5099445+7
CVE-2026-50347 Windows Data.dll Remote Code Execution VulnerabilityWindows Data.dll Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50357 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution Revised 10 Aug
KB5099535KB5099536+5
CVE-2026-50362 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.5%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-50386 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50388 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50417 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.3%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50448 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 31 Aug
KB5099444KB5099445+7
CVE-2026-50461 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution Revised 13 Aug
KB5099444KB5099445+7
CVE-2026-50471 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.5%Remote Code Execution
KB5099414KB5099444+8
CVE-2026-50494 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.3%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-50501 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.4%Remote Code Execution
KB5099536KB5101649+1

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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