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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

456 matches · most urgent first CSV Text
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-62703 Windows DWM Core Library Information Disclosure VulnerabilityWindows DWM Core Library Important 5.50.4%Information Disclosure Revised 20 Aug
KB5120228KB5120229+8
CVE-2026-62709 Windows GDI+ Information Disclosure VulnerabilityWindows GDI+ Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62730 Windows Wired AutoConfig Service Information Disclosure VulnerabilityWindows Wired AutoConfig Service Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62738 Windows Management Instrumentation Information Disclosure VulnerabilityWindows Management Instrumentation Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62740 Windows Imaging Component Information Disclosure VulnerabilityWindows Imaging Component Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62743 Win32k Information Disclosure VulnerabilityWindows Win32K Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62746 Win32k Information Disclosure VulnerabilityWindows Win32K Important 5.50.4%Information Disclosure Revised 14 Aug
KB5120228KB5120229+11
CVE-2026-62775 Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure VulnerabilityWindows Container Isolation FS Filter Driver (unionfs.sys) Important 5.50.4%Information Disclosure
KB5121000
CVE-2026-62786 Win32k Information Disclosure VulnerabilityWindows Win32K Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62793 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62796 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-62798 Win32k Information Disclosure VulnerabilityWindows Win32K Important 5.50.4%Information Disclosure
KB5120228KB5120233+4
CVE-2026-62842 Microsoft Office Graphics Component Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure
—
CVE-2026-62887 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-63517 Microsoft Office Graphics Component Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure
KB5002897
CVE-2026-63521 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure Revised 24 Sep
KB5002901
CVE-2026-63524 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure
KB5002897
CVE-2026-63528 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
KB5002901
CVE-2026-63529 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure
KB5002897
CVE-2026-63530 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
KB5002901
CVE-2026-63531 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
KB5002901
CVE-2026-64899 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure Revised 31 Aug
KB5002897
CVE-2026-64917 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
KB5002901
CVE-2026-65662 Windows GDI Information Disclosure VulnerabilityWindows GDI Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-65784 Windows NTFS Information Disclosure VulnerabilityWindows NTFS Important 5.50.4%Information Disclosure
KB5120228KB5120229+11
CVE-2026-66806 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
KB5002901
CVE-2026-66809 Microsoft Office Graphics Component Information Disclosure VulnerabilityMicrosoft Office Important 5.50.4%Information Disclosure Revised 17 Sep
KB5002901
CVE-2026-66810 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
KB5002901
CVE-2026-68797 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002884KB5002903
CVE-2026-68799 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002884KB5002903
CVE-2026-68802 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002884KB5002903
CVE-2026-68808 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002884KB5002903
CVE-2026-68809 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
KB5002899
CVE-2026-68813 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
—
CVE-2026-70310 Microsoft Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
KB5002901
CVE-2026-70312 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
—
CVE-2026-70314 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.5%Information Disclosure
—
CVE-2026-70315 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.4%Information Disclosure
—
CVE-2026-70316 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
—
CVE-2026-70317 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.4%Information Disclosure
KB5002897
CVE-2026-70318 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
KB5002901
CVE-2026-70319 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
—
CVE-2026-70320 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
—
CVE-2026-70322 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
—
CVE-2026-70323 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 5.50.4%Information Disclosure
—
CVE-2026-70325 Powerpoint Information Disclosure VulnerabilityMicrosoft Office PowerPoint Important 5.50.4%Information Disclosure
—
CVE-2026-70348 Windows Management Services Denial of Service VulnerabilityWindows Management Services Important 5.50.4%Denial of Service Revised 12 Aug
KB5120994KB5121000+1
CVE-2026-66323 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.4%Remote Code Execution
—
CVE-2026-70339 Microsoft Edge (Chromium-based) Remote Code Execution VulnerabilityMicrosoft Edge (Chromium-based) Important 5.40.4%Remote Code Execution
—
CVE-2026-62757 Windows Schannel Security Feature Bypass VulnerabilityWindows Schannel Important 5.30.3%Security Feature Bypass
KB5120228KB5120229+11

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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