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Microsoft Patch Tuesday, March 2026

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Microsoft's March 2026 security release, published March 10, 2026: 39 updates fixing 61 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.

39
Updates (KBs)
61
CVEs fixed
0
On the CISA KEV list
0
Critical updates

Actively exploited CVEs (CISA KEV)

None of this month's CVEs were in the CISA Known Exploited Vulnerabilities catalog as of the last refresh.

Other high-risk CVEs (CVSS 8.8+)

CVE-2026-23669RPC Runtime Library Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-25177Active Directory Domain Services Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-25188Windows Telephony Service Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-24283Multiple UNC Provider Kernel Driver Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-26114Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-26106Microsoft SharePoint Server Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-21262SQL Server Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-26115SQL Server Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-26116SQL Server Elevation of Privilege VulnerabilityCVSS 8.8

Products fixed this month

Windows 10 Version 1809 for 32-bit Systems (14)Windows 10 Version 1809 for x64-based Systems (11)Microsoft SQL Server 2017 for x64-based Systems (GDR) (10)Microsoft SQL Server 2019 for x64-based Systems (GDR) (10)Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) (10)Windows 10 Version 21H2 for 32-bit Systems (6)Microsoft SharePoint Enterprise Server 2016 (6)Microsoft SharePoint Server 2019 (6)Microsoft SharePoint Server Subscription Edition (6)Windows Server 2019 (5)

Every update in this release

All 38 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
KB5078752High8.840Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5078885High8.843Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5079473High8.841Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5079420High8.838Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5078883High8.841Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5079466High8.840Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 21H2 for 32-bit SystemsSupport · Catalog
KB5078766High8.840Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5078734High8.840Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5078938High8.835Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5078775High8.831Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5078774High8.832Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5078740High8.839Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows 10 Version 1809 for 32-bit SystemsSupport · Catalog
KB5078736High8.839Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows 10 Version 1809 for 32-bit SystemsSupport · Catalog
KB5002850High8.84Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5002845High8.84Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5077472High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077470High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077474High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077471High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077473High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077465High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077468High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077469High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077464High8.82Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5077466High8.83Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5002843High8.83Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5002851High8.41Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Server 2019Support · Catalog
KB5002847High8.41Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Server 2019Support · Catalog
KB5002848High8.41Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Server 2019Support · Catalog
KB5002846High8.44Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editionsSupport · Catalog
KB5002849High8.44Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editionsSupport · Catalog
KB5002838High8.41Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit SystemsSupport · Catalog
KB5084597High8.03Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows 10 Version 1809 for 32-bit SystemsSupport · Catalog
KB5081276High7.83.NET 10.0 installed on Linux, Microsoft.Bcl.Memory 10.0, .NET 10.0 installed on WindowsSupport · Catalog
KB5002718High7.81Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editionsSupport · Catalog
KB5081278High7.52Microsoft.Bcl.Memory 10.0, .NET 10.0 installed on Windows, .NET 10.0 installed on Mac OSSupport · Catalog
KB5081277High7.51ASP.NET Core 8.0, ASP.NET Core 9.0, ASP.NET Core 10.0Support · Catalog
KB5078738High7.51Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows Server 2019 (Server Core installation)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.