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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

CVEs · all collected releases

2117 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-54109 Windows Resilient File System (ReFS) Remote Code Execution VulnerabilityWindows Resilient File System (ReFS) Important 7.80.3%Remote Code Execution
KB5099535KB5099536+5
CVE-2026-54112 Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.80.2%Elevation of Privilege Revised 11 Sep
KB5099536KB5099538+4
CVE-2026-54114 Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-54115 Windows Message Queuing (MSMQ) Elevation of Privilege VulnerabilityWindows Active Directory Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-54124 Windows Terminal Remote Code Execution VulnerabilityWindows Terminal Important 7.80.5%Remote Code Execution Revised 11 Sep
KB5099536KB5099539+3
CVE-2026-54125 Windows Runtime Elevation of Privilege VulnerabilityWindows Runtime Important 7.80.3%Elevation of Privilege
KB5099536KB5099538+4
CVE-2026-54131 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884
CVE-2026-54981 Visual Studio Code Python Extension Security Feature Bypass VulnerabilityVisual Studio Code - Python extension Important 7.80.5%Security Feature Bypass Revised 24 Sep
—
CVE-2026-54984 Windows Imaging Component Remote Code Execution VulnerabilityWindows Imaging Component Important 7.80.5%Remote Code Execution
KB5120228KB5120229+11
CVE-2026-54986 Windows Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+5
CVE-2026-54987 Windows Overlay Filter Elevation of Privilege VulnerabilityWindows Overlay Filter Important 7.80.3%Elevation of Privilege
KB5099444KB5099535+6
CVE-2026-54991 Windows USB Print Driver Elevation of Privilege VulnerabilityWindows USB Print Driver Important 7.80.2%Elevation of Privilege
KB5099536KB5101649+1
CVE-2026-54993 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Important 7.80.5%Remote Code Execution
KB5099536KB5099538+4
CVE-2026-55001 Active Directory Domain Services Elevation of Privilege VulnerabilityWindows Active Directory Important 7.80.3%Elevation of Privilege
KB5099535KB5099536+2
CVE-2026-55004 Windows Print Configuration Elevation of Privilege VulnerabilityMicrosoft Printer Drivers Important 7.80.3%Elevation of Privilege
KB5099444KB5099445+7
CVE-2026-55006 Microsoft Exchange Server Elevation of Privilege VulnerabilityMicrosoft Exchange Server Important 7.80.3%Elevation of Privilege
KB5103212KB5103213+2
CVE-2026-55009 Microsoft Exchange Server Elevation of Privilege VulnerabilityMicrosoft Exchange Server Important 7.82.5%Elevation of Privilege
KB5103212KB5103213+2
CVE-2026-55014 Windows Remote Help Defense Elevation of Privilege VulnerabilityWindows Remote Help Defense Important 7.80.3%Elevation of Privilege
—
CVE-2026-55017 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 7.80.5%Remote Code Execution
KB5002273
CVE-2026-55024 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55025 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55029 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55031 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55032 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55036 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55037 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55038 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55039 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 21 Sep
KB5002884KB5002886
CVE-2026-55041 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55044 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55048 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55053 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 15 Sep
KB5002884KB5002886
CVE-2026-55055 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55058 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55125 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55128 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55130 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55131 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55133 Microsoft OneNote Remote Code Execution VulnerabilityMicrosoft Office OneNote Important 7.80.5%Remote Code Execution
—
CVE-2026-55134 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.6%Remote Code Execution Revised 22 Sep
KB5002882KB5002883+4
CVE-2026-55136 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55137 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution Revised 25 Aug
KB5002884KB5002886
CVE-2026-55141 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55899 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55947 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55948 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-55949 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
KB5002884KB5002886
CVE-2026-56156 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.80.5%Remote Code Execution
—
CVE-2026-56172 Windows VHD miniport driver Elevation of Privilege VulnerabilityWindows VHD miniport driver Important 7.80.3%Elevation of Privilege
KB5122871KB5122876+5
CVE-2026-56174 Windows Narrator Braille Elevation of Privilege VulnerabilityWindows Narrator Braille Important 7.80.5%Elevation of Privilege
KB5120228KB5120229+5

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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