Security

– Added MS26-08-365-CURRENT(Q2022820190): Microsoft 365 Current Channel: August 11, 2026

– Added MS26-08-365-ENTERPRISE(Q2013120206): Microsoft 365 Monthly Enterprise Channel: August 11, 2026

– Added MS26-08-365-ENTERPRISE-D(Q2013120206D): Microsoft 365 Monthly Enterprise Channel (Deferred): August 11, 2026

– Added MS26-08-365-ENTERPRISE-D2(Q2002620266D2): Microsoft 365 Monthly Enterprise Channel (Deferred 2): August 11, 2026

– Added MS26-08-365-SEMI-ANNUAL(Q2022820186D): Microsoft 365 Semi-Annual Enterprise Channel: August 11, 2026

– Added MS26-08-SPT-5002906(Q5002906): Description of the security update for SharePoint Server 2016 Language Pack: August 11, 2026 (KB5002906)

– Added MS26-08-VL2019(Q1041720197): Volume licensed versions of Office 2019: August 11, 2026

– Added MS26-08-VL2021(Q1433420848): Volume licensed versions of Office LTSC 2021: August 11, 2026

– Added MS26-08-VL2024(Q1793220910): Volume licensed versions of Office LTSC 2024: August 11, 2026

– Added TB-260812(QTB15303): Thunderbird 153.0.3

– Added VSCODE-260812(QVSCODE11330): Visual Studio Code 1.133.0

Extended Security Updates

– Added MS26-08-2K12-ESU-5120386(Q5120386): August 11, 2026-KB5120386 (Monthly Rollup)

– Added MS26-08-2K12R2-ESU-5120385(Q5120385): August 11, 2026-KB5120385 (Monthly Rollup)

– Added MS26-08-ESU-MRNET-5121647(Q5120709): August 11, 2026-KB5121647 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

– Added MS26-08-NET-2K12-ESU-5121648(Q5120704): August 11, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5121648)

– Added MS26-08-NET-2K12R2-ESU-5121649(Q5120700): August 11, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5121649)

– Added MS26-08-W10-ESU-5120249(Q5120249): August 11, 2026-KB5120249 (OS Builds 19045.7663 and 19044.7663)