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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

36 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-55008 Microsoft Exchange Server Spoofing VulnerabilityMicrosoft Exchange Server Critical 9.60.9%Spoofing
KB5103212KB5103213+2
CVE-2026-58282 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 8.10.4%Spoofing
—
CVE-2026-58283 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 8.10.4%Spoofing
—
CVE-2026-58286 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 8.10.4%Spoofing
—
CVE-2026-58595 Microsoft Bing App for IOS Spoofing VulnerabilityMicrosoft Bing App for IOS Important 8.10.7%Spoofing
—
CVE-2026-58647 Microsoft PowerBI Report Server Spoofing VulnerabilityPower BI Important 8.00.5%Spoofing Revised 19 Aug
—
CVE-2026-57993 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 7.40.9%Spoofing
—
CVE-2026-55021 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 7.30.9%Spoofing
KB5002882KB5002883+1
CVE-2026-55034 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 7.30.9%Spoofing
KB5002882KB5002883+1
CVE-2026-55126 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 7.30.6%Spoofing
KB5002882KB5002883+1
CVE-2026-58298 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 7.20.4%Spoofing
—
CVE-2026-57977 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 7.10.6%Spoofing
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CVE-2026-66322 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 7.10.2%Spoofing
—
CVE-2026-50659 .NET Spoofing Vulnerability.NET Important 6.50.7%Spoofing Revised 7 Aug
KB5099535KB5100984+20
CVE-2026-54108 Microsoft SharePoint Server Spoofing VulnerabilityMicrosoft Office SharePoint Important 6.51.1%Spoofing
KB5002882KB5002883+1
CVE-2026-56646 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.9%Spoofing
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CVE-2026-57987 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 6.50.9%Spoofing
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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-2026-56157 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-2026-58278 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
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CVE-2026-66316 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.2%Spoofing
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CVE-2026-50684 Active Directory Federation Server Spoofing VulnerabilityActive Directory Federation Services (AD FS) Important 4.80.4%Spoofing
KB5099444KB5099445+4
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-2026-58643 Windows Admin Center Spoofing VulnerabilityWindows Admin Center Important —0.4%Spoofing Revised 12 Aug
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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
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CVE-2026-45488 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Moderate 5.40.4%Spoofing
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CVE-2026-58597 Microsoft Edge (Chromium-based) Spoofing VulnerabilityMicrosoft Edge (Chromium-based) Low 4.30.7%Spoofing
—

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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