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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
998Microsoft CVEsreleased Tue 8 Sep 132Critical105 need an update · rest fixed service-side 2Exploited in the wild
0Publicly disclosed
2In CISA KEV
149Revised since release

Act first · September 2026

Exploited, KEV-listed, or publicly disclosed
Elevation of Privilege · CVSS 7.8 KB5122871KB5122880KB5124008+1
Elevation of Privilege · CVSS 7.8 KB5122876KB5122878KB5122882+3
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update155
Remote Code Execution · CVSS 9.8 · EPSS 1.0% KB5122871KB5122876KB5122882+3
Remote Code Execution · CVSS 8.8 · EPSS 0.8% KB5122871KB5122876KB5122878+7
Elevation of Privilege · CVSS 9.0 · EPSS 0.7% No KB listed
Remote Code Execution · CVSS 7.5 · EPSS 0.7% KB5122871KB5122876KB5122878+7
Information Disclosure · CVSS 5.5 · EPSS 0.4% KB5122871KB5122880KB5124008+1
Remote Code Execution · CVSS 7.8 · EPSS 0.3% KB5122871KB5122876KB5122882+3
Remote Code Execution · CVSS 7.0 · EPSS 0.3% KB5122871KB5122876KB5122882+3
Remote Code Execution · CVSS 8.8 · EPSS 1.7% No KB listed
Showing 8 of 155All critical

CVEs · September 2026

998 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-73001 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73002 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73007 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73011 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73014 Data Sharing Service Client Elevation of Privilege VulnerabilityData Sharing Service Client Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73015 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73020 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73021 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-73024 Windows Services for NFS ONCRPC XDR Driver Elevation of Privilege VulnerabilityWindows Services for NFS ONCRPC XDR Driver Important 7.80.3%Elevation of Privilege Revised 9 Sep
KB5122871KB5122876+8
CVE-2026-73026 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-77489 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-77500 Windows Device Association Service Elevation of Privilege VulnerabilityWindows Device Association Service Important 7.80.3%Elevation of Privilege
KB5122876KB5122878+4
CVE-2026-77904 Windows Volume Manager Extension Driver Elevation of Privilege VulnerabilityWindows Volume Manager Extension Driver Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+8
CVE-2026-78447 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-78448 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-80075 Windows Work Folders Elevation of Privilege VulnerabilityWindows Work Folders Important 7.80.3%Elevation of Privilege Revised 15 Sep
KB5122871KB5122876+7
CVE-2026-81353 HEIF Image Extensions Remote Code Execution VulnerabilityMicrosoft Windows Codecs Library Important 7.80.5%Remote Code Execution
—
CVE-2026-81386 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81388 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81396 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81397 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81398 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81947 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002910+1
CVE-2026-81954 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81956 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002910+1
CVE-2026-81957 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81960 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-83942 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+5
CVE-2026-83952 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Elevation of Privilege
KB5122871KB5124008+1
CVE-2026-83954 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83955 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83967 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83968 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83969 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83970 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83971 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83972 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83973 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83974 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83975 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83976 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83977 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83978 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83979 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83980 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83981 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83982 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83983 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83985 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6
CVE-2026-83986 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+6

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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