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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
456Microsoft CVEsreleased Tue 11 Aug 84Critical44 need an update · rest fixed service-side 1Exploited in the wild
3Publicly disclosed
2In CISA KEV
135Revised since release

Act first · August 2026

Exploited, KEV-listed, or publicly disclosed
Remote Code Execution · CVSS 8.8 KB5002893KB5002894KB5002896+2
Elevation of Privilege · CVSS 7.0 KB5120228KB5120229KB5120233+10
Elevation of Privilege · CVSS 7.8 KB5120228KB5120229KB5120233+6
Elevation of Privilege · CVSS 7.8 No KB listed
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update75
Remote Code Execution · CVSS 8.8 · EPSS 1.7% KB5002893KB5002894KB5002896
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5120228KB5120229KB5120233+5
Remote Code Execution · CVSS 8.8 · EPSS 0.5% KB5120228KB5120229KB5120233+5
Remote Code Execution · CVSS 9.8 · EPSS 1.5% No KB listed
Denial of Service · CVSS 7.5 · EPSS 1.2% KB5120228KB5120229KB5120233+10
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5120228KB5120229KB5120233+5
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5120228KB5120229KB5120233+5
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5120228KB5120229KB5120233+5
Showing 8 of 75All critical

CVEs · August 2026

84 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-62815 Microsoft QUIC Remote Code Execution VulnerabilityMicrosoft QUIC Critical 9.81.0%Remote Code Execution Revised 3 Sep
KB5120228KB5120229+6
CVE-2026-62878 Windows DNS Server Remote Code Execution VulnerabilityWindows DNS Critical 9.81.0%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+6
CVE-2026-62893 Windows Deployment Services TFTP Server Remote Code Execution VulnerabilityWindows Deployment Services Critical 9.81.0%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+6
CVE-2026-65791 Windows iSCSI Target Service Remote Code Execution VulnerabilityWindows iSCSI Target Service Critical 9.81.0%Remote Code Execution Revised 18 Aug
KB5120228KB5120229+6
CVE-2026-62816 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution VulnerabilityReliable Multicast Transport Driver (RMCAST) Critical 8.80.5%Remote Code Execution
KB5120228KB5120229+11
CVE-2026-62817 Windows DNS Server Remote Code Execution VulnerabilityWindows DNS Critical 8.80.5%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+3
CVE-2026-62818 Windows Active Directory Certificate Services (AD CS) Remote Code Execution VulnerabilityActive Directory Certificate Services (AD CS) Critical 8.80.9%Remote Code Execution
KB5120228KB5120229+6
CVE-2026-62822 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 8.80.8%Remote Code Execution
KB5120228KB5120229+11
CVE-2026-62823 Windows DHCP Server Remote Code Execution VulnerabilityWindows DHCP Server Critical 8.80.5%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+6
CVE-2026-62824 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Critical 8.80.8%Remote Code Execution
KB5120385KB5120386+1
CVE-2026-62827 Microsoft SharePoint Server Elevation of Privilege VulnerabilityMicrosoft Office SharePoint Critical 8.80.9%Elevation of Privilege
KB5002893KB5002894+3
CVE-2026-64921 Microsoft SharePoint Server Elevation of Privilege VulnerabilityMicrosoft Office SharePoint Critical 8.80.9%Elevation of Privilege
KB5002893KB5002894+3
CVE-2026-65665 Microsoft SharePoint Server Remote Code Execution VulnerabilityMicrosoft Office SharePoint Critical 8.81.7%Remote Code Execution
KB5002893KB5002894+1
CVE-2026-70130 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.40.3%Remote Code Execution
—
CVE-2026-62819 Windows Routing and Remote Access Service (RRAS) Remote Code Execution VulnerabilityWindows Routing and Remote Access Service (RRAS) Critical 8.10.7%Remote Code Execution Revised 17 Sep
KB5120228KB5120229+11
CVE-2026-62820 Windows DNS Server Remote Code Execution VulnerabilityWindows DNS Critical 8.10.5%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+4
CVE-2026-62889 Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution VulnerabilityWindows Secure Socket Tunneling Protocol (SSTP) Critical 8.10.7%Remote Code Execution Revised 31 Aug
KB5120228KB5120229+11
CVE-2026-65679 Windows iSCSI Target Service Remote Code Execution VulnerabilityWindows iSCSI Target Service Critical 8.10.7%Remote Code Execution Revised 13 Aug
KB5120228KB5120229+6
CVE-2026-65789 Windows DNS Server Remote Code Execution VulnerabilityWindows DNS Critical 8.10.7%Remote Code Execution Revised 8 Sep
KB5120228KB5120229+4
CVE-2026-65796 Windows iSCSI Target Service Remote Code Execution VulnerabilityWindows iSCSI Target Service Critical 8.10.7%Remote Code Execution Revised 13 Aug
KB5120228KB5120229+6
CVE-2026-66802 Windows Device Health Attestation (DHA) Remote Code Execution VulnerabilityWindows Device Health Attestation (DHA) Critical 8.10.5%Remote Code Execution Revised 20 Aug
KB5120228KB5120229+4
CVE-2026-71331 Windows Device Health Attestation (DHA) Remote Code Execution VulnerabilityWindows Device Health Attestation (DHA) Critical 8.10.7%Remote Code Execution Revised 20 Aug
KB5120228KB5120229+3
CVE-2026-62911 Microsoft Exchange Server Elevation of Privilege VulnerabilityMicrosoft Exchange Server Critical 8.00.7%Elevation of Privilege
KB5121573KB5121574+2
CVE-2026-62890 Windows GDI+ Elevation of Privilege VulnerabilityWindows GDI+ Critical 7.80.3%Remote Code Execution Revised 26 Aug
KB5120228KB5120229+11
CVE-2026-63513 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 17 Aug
KB5002897
CVE-2026-63515 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002902
CVE-2026-63518 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.5%Remote Code Execution Revised 17 Aug
KB5002755
CVE-2026-63519 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 17 Aug
—
CVE-2026-63525 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.5%Remote Code Execution
KB5002901
CVE-2026-63526 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002897
CVE-2026-63532 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 21 Sep
KB5002897
CVE-2026-64898 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
—
CVE-2026-64903 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 21 Aug
KB5002897
CVE-2026-64907 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.5%Remote Code Execution
KB5002901
CVE-2026-64909 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002897
CVE-2026-64910 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
—
CVE-2026-64911 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
—
CVE-2026-65657 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
—
CVE-2026-65664 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
—
CVE-2026-66799 Windows Key Guard Elevation of Privilege VulnerabilityWindows Key Guard Critical 7.80.3%Elevation of Privilege
KB5120228KB5120229+12
CVE-2026-66807 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 17 Aug
—
CVE-2026-68794 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002884KB5002903
CVE-2026-68804 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 24 Sep
KB5002884KB5002903
CVE-2026-68816 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution
KB5002884KB5002903
CVE-2026-56162 Azure SQL Database Elevation of Privilege VulnerabilityAzure SQL Database Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-63508 Microsoft Planetary Computer Pro Elevation of Privilege VulnerabilityMicrosoft Planetary Computer Pro Critical 10.00.8%Elevation of Privilege Revised 15 Sep
Service-side fix
CVE-2026-65667 Microsoft Teams Elevation of Privilege VulnerabilityMicrosoft Teams Critical 10.00.8%Elevation of Privilege
Service-side fix
CVE-2026-65770 Azure Managed Instance for Apache Cassandra Remote Code Execution VulnerabilityAzure Managed Instance for Apache Cassandra Critical 10.01.1%Remote Code Execution
Service-side fix
CVE-2026-65801 Microsoft Exchange Online Elevation of Privilege VulnerabilityMicrosoft Exchange Online Critical 10.00.9%Elevation of Privilege
Service-side fix
CVE-2026-65816 Azure Arc Elevation of Privilege VulnerabilityAzure Arc Critical 10.01.0%Elevation of Privilege
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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