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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-2026-50655 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityWindows Media Critical 7.80.5%Remote Code Execution Revised 12 Aug
KB5099535KB5099536+5
CVE-2026-55011 Microsoft Defender Remote Code Execution VulnerabilityMicrosoft Defender Critical 7.80.5%Remote Code Execution
—
CVE-2026-55012 Microsoft Defender Remote Code Execution VulnerabilityMicrosoft Defender Critical 7.80.5%Remote Code Execution
—
CVE-2026-55018 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002887
CVE-2026-55022 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002887
CVE-2026-55033 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55043 Microsoft PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 7.80.5%Remote Code Execution
KB5002867
CVE-2026-55049 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002748
CVE-2026-55056 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002887
CVE-2026-55120 Microsoft PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 7.80.5%Remote Code Execution
KB5002867
CVE-2026-55123 Microsoft PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 7.80.5%Remote Code Execution Revised 21 Sep
KB5002867
CVE-2026-55127 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55129 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution Revised 30 Jul
KB5002887
CVE-2026-55132 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.6%Remote Code Execution
KB5002882KB5002883+4
CVE-2026-55140 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 7.80.5%Remote Code Execution
KB5002748KB5002830
CVE-2026-56189 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 7.80.4%Remote Code Execution
KB5099444KB5099445+7
CVE-2026-58542 Windows Media Remote Code Execution VulnerabilityWindows Media Critical 7.80.4%Remote Code Execution
KB5099536KB5101649+1
CVE-2026-58599 HEVC Video Extensions Remote Code Execution VulnerabilityMicrosoft Windows Codecs Library Critical 7.80.5%Remote Code Execution
—
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-2026-69725 Windows Hello Elevation of Privilege VulnerabilityWindows Hello Critical 7.80.3%Elevation of Privilege
KB5122878KB5122880+2
CVE-2026-69799 Windows Hello Elevation of Privilege VulnerabilityWindows Hello Critical 7.80.2%Elevation of Privilege
KB5122878KB5122880+2
CVE-2026-69864 Windows Hello Elevation of Privilege VulnerabilityWindows Hello Critical 7.80.3%Elevation of Privilege
KB5122878KB5122880+2
CVE-2026-72957 Windows Deployment Services Remote Code Execution VulnerabilityWindows Deployment Services Critical 7.80.3%Remote Code Execution
KB5122871KB5122876+4
CVE-2026-81948 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81949 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81950 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81951 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 24 Sep
KB5002904KB5002914
CVE-2026-81953 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81959 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Critical 7.80.5%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-83498 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege VulnerabilityWindows Virtualization-Based Security (VBS) Enclave Critical 7.80.3%Elevation of Privilege Revised 21 Sep
KB5122871KB5122880+2

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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