June 11, 2026

June 2026 Microsoft Patch Tuesday

June 2026 Microsoft Patch Tuesday updates are now published in the KACE Patch Catalog. These include 45 security updates targeting various Microsoft product families and platforms supported by KACE. These patches target 223 reported vulnerabilities.

This is a list of security updates published in the Patch Catalog for this month:

SeverityKBUpdate
criticalKB5094139Security Update For Exchange Server Subscription Edition (KB5094139)
criticalKB5002881Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002881) farm-deployment
criticalKB5002878Security Update for Microsoft Office 2016 (KB5002878) 64-Bit Edition
criticalKB5002879Security Update for Microsoft Word 2016 (KB5002879) 64-Bit Edition
criticalKB5002878Security Update for Microsoft Office 2016 (KB5002878) 32-Bit Edition
criticalKB5002879Security Update for Microsoft Word 2016 (KB5002879) 32-Bit Edition
criticalKB5002874Security Update for Microsoft SharePoint Server 2019 Core (KB5002874) farm-deployment
criticalKB5002876Security Update for Microsoft SharePoint Server 2019 Language Pack (KB5002876) farm-deployment
criticalKB5002873Security Update for Microsoft SharePoint Server Subscription Edition (KB5002873) farm-deployment
criticalKB50941222026-06 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5094122)
criticalKB50941412026-06 Servicing Stack Update for Windows 10 Version 1607 for x64-based Systems (KB5094141)
criticalKB50941232026-06 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5094123)
criticalKB50941272026-06 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5094127)
criticalKB50941272026-06 Cumulative Update (ESU) for Windows 10 Version 22H2 for x64-based Systems (KB5094127)
criticalKB50939982026-06 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5093998)
criticalKB50941262026-06 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5094126) (26100.8655)
criticalKB50941262026-06 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5094126) (26200.8655)
criticalKB50940412026-06 Security Monthly Quality Rollup (ESU) for Windows Server 2012 R2 for x64-based Systems (KB5094041)
criticalKB50940422026-06 Security Monthly Quality Rollup (ESU) for Windows Server 2012 for x64-based Systems (KB5094042)
criticalKB50941222026-06 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5094122)
criticalKB50941412026-06 Servicing Stack Update for Windows Server 2016 for x64-based Systems (KB5094141)
criticalKB50941232026-06 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5094123)
criticalKB50941282026-06 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5094128)
criticalKB50941252026-06 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5094125) (26100.32995)
importantKB50971482026-06 .NET 10.0.9 Security Update for x64 Client (KB5097148)
importantKB50971482026-06 .NET 10.0.9 Security Update for x64 Server (KB5097148)
importantKB50971492026-06 .NET 8.0.28 Security Update for x64 Client (KB5097149)
importantKB50971492026-06 .NET 8.0.28 Security Update for x64 Server (KB5097149)
importantKB50971502026-06 .NET 9.0.17 Security Update for x64 Client (KB5097150)
importantKB50971502026-06 .NET 9.0.17 Security Update for x64 Server (KB5097150)
importantKB5002880Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002880) farm-deployment
importantKB5002877Security Update for Microsoft Excel 2016 (KB5002877) 64-Bit Edition
importantKB5002578Security Update for Microsoft Office 2016 (KB5002578) 64-Bit Edition
importantKB5002852Security Update for Microsoft Office 2016 (KB5002852) 64-Bit Edition
importantKB5002877Security Update for Microsoft Excel 2016 (KB5002877) 32-Bit Edition
importantKB5002578Security Update for Microsoft Office 2016 (KB5002578) 32-Bit Edition
importantKB5002852Security Update for Microsoft Office 2016 (KB5002852) 32-Bit Edition
importantKB5002875Security Update for Microsoft Office Online Server (KB5002875) farm-deployment
importantKB4576341Visual Studio 2017 Security Update (15.9.80)
importantKB4576339Visual Studio 2019 Security Update (16.11.57)
importantKB5007364Visual Studio 2022 Security Update (17.12.21)
importantKB5007364Visual Studio 2022 Security Update (17.14.34)
importantKB5072533Visual Studio 2026 Security Update (18.6.3)
moderateKB50940062026-06 Cumulative Security Update (ESU) for Internet Explorer 11 for Windows Server 2012 R2 for x64-based systems (KB5094006)
moderateKB50940062026-06 Cumulative Security Update (ESU) for Internet Explorer 11 for Windows Server 2012 for x64-based systems (KB5094006)