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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

30 matches · most urgent first CSV Text
Fixed by KB5002914Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
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-2026-78518 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.9%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
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-2026-81389 Microsoft Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 7.00.4%Remote Code Execution Revised 17 Sep
KB5002904KB5002914
CVE-2026-81387 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.6%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81390 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002910+1
CVE-2026-81391 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81392 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81393 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81394 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.6%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81395 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81399 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81400 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-81401 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002910+1
CVE-2026-81958 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914
CVE-2026-85875 Microsoft Office Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure Revised 17 Sep
KB5002904KB5002914

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

Security news

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Tue 22 Sep1 item
Thu 17 Sep2 items
Tue 15 Sep1 item
Mon 14 Sep1 item
Thu 10 Sep1 item
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