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Microsoft Patch Tuesday, August 2026

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Microsoft's August 2026 security release, published August 11, 2026: 67 updates fixing 751 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.

Still active now. 1 CVE from this release is on the Senserva hot list today (as of 2026-10-08), still ranked among the most dangerous vulnerabilities right now by confirmed exploitation, ransomware use, EPSS, and severity. See the current hot list.
67
Updates (KBs)
751
CVEs fixed
1
Exploited zero-day
2
On the CISA KEV list
108
Critical, rated by Microsoft

Severity, as Microsoft rates it

Critical 108Important 396Moderate 207Low 32No rating 8

That covers 743 of the 751; the remaining 8 carry no Severity rating at all.

Zero-days in this release

CVE-2026-68820Windows Ancillary Function Driver for WinSockCVSS 7.0Exploited
CVE-2026-62832Windows User Profile ServiceCVSS 7.8Publicly disclosed
CVE-2026-72971Windows Container Isolation FS Filter DriverCVSS 5.5Publicly disclosed

Actively exploited CVEs (CISA KEV)

CVE-2026-65660Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8Exploited Hot now
CVE-2026-68820Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityCVSS 7.0Exploited

Other high-risk CVEs (CVSS 8.8+)

CVE-2026-62878Windows DNS Server Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-62893Windows Deployment Services TFTP Server Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-65791Windows iSCSI Target Service Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-62815Microsoft QUIC Remote Code Execution VulnerabilityCVSS 9.8
CVE-2026-70306Microsoft Office SharePoint Spoofing VulnerabilityCVSS 9.3
CVE-2026-62827Microsoft SharePoint Server Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-63514Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-64901Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-64921Microsoft SharePoint Server Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-65658Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-65663Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-65665Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8

Products fixed this month

Windows 11 Version 25H2 for x64-based Systems (6)Windows 11 Version 25H2 for ARM64-based Systems (6)Windows 11 Version 24H2 for ARM64-based Systems (6)Microsoft Office 2016 (32-bit edition) (5)Microsoft Office 2016 (64-bit edition) (5)Windows Server 2022 (3)Windows Server 2022 (Server Core installation) (3)Microsoft SharePoint Server 2019 (2)Microsoft SharePoint Enterprise Server 2016 (2)Windows Server 2025 (Server Core installation) (2)

Every update in this release

All 63 update articles, worst first: anything on the CISA KEV list, then by highest CVSS. Each row links our page for the update, Microsoft's support article, and the Update Catalog for a standalone download.

UpdateSeverityMax CVSSCVEs fixedProductsAlso
KB5120238 ExploitedCritical9.8183Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 (Server Core installation), Windows 10 Version 1809 for 32-bit SystemsSupport · Catalog
KB5120242 ExploitedCritical9.8195Windows Server 2022, Windows Server 2022 (Server Core installation)Support · Catalog
KB5120229 ExploitedCritical9.8195Windows Server 2022, Windows Server 2022 (Server Core installation)Support · Catalog
KB5120233 ExploitedCritical9.8215Windows Server 2025 (Server Core installation), Windows Server 2025Support · Catalog
KB5120228 ExploitedCritical9.8215Windows Server 2025 (Server Core installation), Windows Server 2025Support · Catalog
KB5121003 ExploitedCritical9.8194Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5120994 ExploitedCritical9.8194Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5121000 ExploitedCritical9.8195Windows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based SystemsSupport · Catalog
KB5120418 ExploitedCritical9.8170Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 (Server Core installation)Support · Catalog
KB5120386 ExploitedCritical9.8139Windows Server 2012 (Server Core installation), Windows Server 2012Support · Catalog
KB5120385 ExploitedCritical9.8144Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5120240 ExploitedCritical9.8170Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based SystemsSupport · Catalog
KB5002894 ExploitedCritical9.327Microsoft SharePoint Server 2019Support · Catalog
KB5002893 ExploitedCritical9.329Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5002905 ExploitedCritical9.323Microsoft SharePoint Enterprise Server 2016Support · Catalog
KB5002896 ExploitedHigh8.826Microsoft SharePoint Server 2019Support · Catalog
KB5002906 ExploitedHigh8.822Microsoft SharePoint Enterprise Server 2016Support · Catalog
KB5120249 ExploitedHigh8.8160Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for x64-based SystemsSupport · Catalog
KB5121573High8.87Microsoft Exchange Server Subscription Edition RTMSupport · Catalog
KB5121576High8.87Microsoft Exchange Server 2016 Cumulative Update 23Support · Catalog
KB5121574High8.87Microsoft Exchange Server 2019 Cumulative Update 15Support · Catalog
KB5121575High8.87Microsoft Exchange Server 2019 Cumulative Update 14Support · Catalog
KB5002884High8.858Office Online ServerSupport · Catalog
KB5002903High8.825Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)Support · Catalog
KB5002755High8.83Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)Support · Catalog
KB5120702High8.83Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation), Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2016Support · Catalog
KB5120703High8.84Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019Support · Catalog
KB5120706High8.83Microsoft .NET Framework 4.8 on Windows Server 2012 R2, Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5120701High8.83Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5120698High8.84Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019Support · Catalog
KB5120699High8.83Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation)Support · Catalog
KB5120700High8.83Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation), Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2Support · Catalog
KB5120711High8.84Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 for x64-based Systems, Microsoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based SystemsSupport · Catalog
KB5120714High8.83Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation)Support · Catalog
KB5120709High8.83Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit SystemsSupport · Catalog
KB5120708High8.83Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 (Server Core installation), Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based SystemsSupport · Catalog
KB5120713High8.83Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based SystemsSupport · Catalog
KB5120710High8.83Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based SystemsSupport · Catalog
KB5120747High8.85Microsoft .NET Framework 3.5 on Windows 11 version 26H1 for x64-based Systems, Microsoft .NET Framework 3.5 on Windows 11 Version 26H1 for ARM64-based SystemsSupport · Catalog
KB5120695High8.84Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation), Microsoft .NET Framework 3.5 on Windows Server 2012 R2Support · Catalog
KB5120716High8.84Microsoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)Support · Catalog
KB5120704High8.83Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation), Microsoft .NET Framework 4.8 on Windows Server 2012Support · Catalog
KB5120705High8.83Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation)Support · Catalog
KB5123303High7.93Windows Server 2022, Windows Server 2022 (Server Core installation)Support · Catalog
KB5123607High7.91Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5123273High7.91Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5122104High7.810.NET 8.0 installed on Windows, .NET 8.0 installed on Linux, .NET 8.0 installed on Mac OSSupport · Catalog
KB5122105High7.810.NET 9.0 installed on Windows, .NET 9.0 installed on Linux, .NET 9.0 installed on Mac OSSupport · Catalog
KB5122106High7.88.NET 10.0 installed on Windows, .NET 10.0 installed on Mac OS, .NET 10.0 installed on LinuxSupport · Catalog
KB5002901High7.817Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)Support · Catalog
KB5002897High7.812Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002902High7.81Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002832High7.85Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition)Support · Catalog
KB5002813High7.81Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition)Support · Catalog
KB5002791High7.81Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002795High7.81Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002900High7.81Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5129195High7.81Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5129241High7.81Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based SystemsSupport · Catalog
KB5100263Medium6.51Microsoft Dynamics 365 Business Central Release Wave 1 2025Support · Catalog
KB5100266Medium6.51Microsoft Dynamics 365 Business Central 2026 Release Wave 1Support · Catalog
KB5100265Medium6.51Microsoft Dynamics 365 Business Central Release Wave 2 2025Support · Catalog
KB5002899Medium5.51Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition)Support · Catalog
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Reference: Microsoft CVE and vulnerability management, ranked by real-world risk, and the Microsoft patching guide.
Data notice: this page is provided as is, for informational purposes only, without warranty of any kind. Senserva, LLC does not guarantee the accuracy, completeness, or timeliness of third-party data (MSRC, NVD, CISA KEV, EPSS) and accepts no liability for actions taken based on it; verify against the authoritative Microsoft advisory before acting. Built daily with Senserva Trustworthy AI. All use of this data is subject to the Senserva EULA.