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Microsoft Patch Tuesday, April 2026

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Microsoft's April 2026 security release, published April 14, 2026: 63 updates fixing 151 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 2026-09-27), still ranked among the most dangerous vulnerabilities right now by confirmed exploitation, ransomware use, EPSS, and severity. See the current hot list.
63
Updates (KBs)
151
CVEs fixed
2
On the CISA KEV list
20
Critical updates

Actively exploited CVEs (CISA KEV)

CVE-2026-33824Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution VulnerabilityCVSS 9.8Exploited Hot now
CVE-2026-32201Microsoft SharePoint Server Spoofing VulnerabilityCVSS 6.5Exploited

Other high-risk CVEs (CVSS 8.8+)

CVE-2026-40372ASP.NET Core Elevation of Privilege VulnerabilityCVSS 9.1
CVE-2026-26167Windows Push Notifications Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-26178Windows Advanced Rasterization Platform Elevation of Privilege VulnerabilityCVSS 8.8
CVE-2026-32157Remote Desktop Client Remote Code Execution VulnerabilityCVSS 8.8
CVE-2026-32225Windows Shell Security Feature Bypass VulnerabilityCVSS 8.8
CVE-2026-33120Microsoft SQL Server Remote Code Execution VulnerabilityCVSS 8.8

Products fixed this month

Microsoft SharePoint Enterprise Server 2016 (2)Microsoft SharePoint Server 2019 (2)Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) (2)Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (2)Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (2)Windows Server 2012 (2)Windows Server 2012 (Server Core installation) (2)Windows Server 2012 R2 (2)Microsoft SharePoint Server Subscription Edition (1)Windows Server 2025 (Server Core installation) (1)

Every update in this release

All 53 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
KB5082063 ExploitedCritical9.8124Windows Server 2025 (Server Core installation), Windows Server 2025Support · Catalog
KB5083769 ExploitedCritical9.8121Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based SystemsSupport · Catalog
KB5082123 ExploitedCritical9.8107Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019Support · Catalog
KB5082142 ExploitedCritical9.8116Windows Server 2022, Windows Server 2022 (Server Core installation)Support · Catalog
KB5082200 ExploitedCritical9.8107Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based SystemsSupport · Catalog
KB5082198 ExploitedCritical9.887Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016Support · Catalog
KB5083768 ExploitedCritical9.8119Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based SystemsSupport · Catalog
KB5082052 ExploitedCritical9.8115Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based SystemsSupport · Catalog
KB5082060 ExploitedCritical9.8121Windows Server 2022, 23H2 Edition (Server Core installation)Support · Catalog
KB5002861 ExploitedMedium6.52Microsoft SharePoint Enterprise Server 2016Support · Catalog
KB5002854 ExploitedMedium6.52Microsoft SharePoint Server 2019Support · Catalog
KB5002853 ExploitedMedium6.52Microsoft SharePoint Server Subscription EditionSupport · Catalog
KB5091596Critical9.11ASP.NET Core 10.0Support · Catalog
KB5082127High8.858Windows Server 2012, Windows Server 2012 (Server Core installation)Support · Catalog
KB5082126High8.861Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5084815High8.83Microsoft SQL Server 2022 for x64-based Systems (GDR)Support · Catalog
KB5002859High8.41Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)Support · Catalog
KB5002855High7.85Office Online ServerSupport · Catalog
KB5002860High7.85Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)Support · Catalog
KB5002808High7.81Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition)Support · Catalog
KB5082806High7.81Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2Support · Catalog
KB5082411High7.53Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5082403High7.53Microsoft .NET Framework 4.8 on Windows Server 2012, Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation), Microsoft .NET Framework 4.8 on Windows Server 2012 R2Support · Catalog
KB5082414High7.53Microsoft .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 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based SystemsSupport · Catalog
KB5082427High7.53Microsoft .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
KB5082426High7.53Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems, Microsoft .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 21H2 for x64-based SystemsSupport · Catalog
KB5082413High7.53Microsoft .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 10 Version 1809 for ARM64-based SystemsSupport · Catalog
KB5082400High7.53Microsoft .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
KB5082402High7.53Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5082425High7.53Microsoft .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), Microsoft .NET Framework 4.8.1 on Windows Server 2022 (Server Core installation)Support · Catalog
KB5082419High7.53Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based SystemsSupport · Catalog
KB5082424High7.53Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based SystemsSupport · Catalog
KB5082417High7.53Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 (Server Core installation)Support · Catalog
KB5082418High7.53Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation)Support · Catalog
KB5082420High7.53Microsoft .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
KB5082398High7.53Microsoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation), Microsoft .NET Framework 3.5 on Windows Server 2012 R2Support · Catalog
KB5082421High7.53Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 26H1 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 26H1 for ARM64-based SystemsSupport · Catalog
KB5086095High7.54.NET 10.0 installed on Linux, .NET 10.0 installed on Mac OS, .NET 10.0 installed on WindowsSupport · Catalog
KB5086096High7.54.NET 8.0 installed on Windows, .NET 8.0 installed on Linux, .NET 8.0 installed on Mac OSSupport · Catalog
KB5086097High7.54.NET 9.0 installed on Linux, .NET 9.0 installed on Windows, .NET 9.0 installed on Mac OSSupport · Catalog
KB5082404High7.52Microsoft .NET Framework 4.8 on Windows Server 2012 R2, Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5082406High7.52Microsoft .NET Framework 3.5 on Windows Server 2012 R2, Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)Support · Catalog
KB5083245Medium6.72Microsoft SQL Server 2025 for x64-based Systems (CU3)Support · Catalog
KB5083252Medium6.72Microsoft SQL Server 2022 for x64-based Systems (CU 24)Support · Catalog
KB5084819Medium6.72Microsoft SQL Server 2017 for x64-based Systems (GDR)Support · Catalog
KB5084817Medium6.72Microsoft SQL Server 2019 for x64-based Systems (GDR)Support · Catalog
KB5084821Medium6.72Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)Support · Catalog
KB5084820Medium6.72Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature PackSupport · Catalog
KB5084818Medium6.72Microsoft SQL Server 2017 for x64-based Systems (CU 31)Support · Catalog
KB5084814Medium6.72Microsoft SQL Server 2025 for x64-based Systems (GDR)Support · Catalog
KB5084816Medium6.72Microsoft SQL Server 2019 for x64-based Systems (CU 32)Support · Catalog
KB5002862Medium4.61Microsoft SharePoint Enterprise Server 2016Support · Catalog
KB5002856Medium4.61Microsoft SharePoint Server 2019Support · 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.