2026-08 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5121645)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-08 .NET 8.0.30 Security Update for ARM64 Client (KB5122104)

2026-08 .NET 8.0.30 Security Update for ARM64 Client KB5122104...

2026-08 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5120249)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-08 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5120249)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

2026-08 Cumulative Update for Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5120242)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Double free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

.NET 8.0 Update - August 11, 2026

None None...

Microsoft Entra Connect Elevation of Privilege Vulnerability

Improper neutralization of special elements used in an sql command 'sql injection' in Microsoft Entra Connect Sync allows an authorized attacker to elevate privileges locally...

August 11, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5120699)

None None...

August 11, 2026—KB5120233 (OS Build 26100.33296)

None None...

August 11, 2026—KB5120242 (OS Build 20348.5499)

None None...

August 11, 2026—KB5120240 (OS Build 22631.7517)

None None...

August 11, 2026—KB5120249 (OS Builds 19045.7663 and 19044.7663)

None None...

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type 'type confusion' in Microsoft Office Excel allows an unauthorized attacker to execute code over a network...

August 11, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5120695)

None None...

Description of the security update for Microsoft Exchange Server 2019 CU14: August 11, 2026 (KB5121575)

None None...

August 11, 2026-KB5120698 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

None None...

Microsoft PowerShell Remote Code Execution Vulnerability

Improper neutralization of special elements used in a command 'command injection' in Microsoft PowerShell allows an authorized attacker to execute code locally...

Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability

Improper link resolution before file access 'link following' in Windows Container Isolation FS Filter Driver unionfs.sys allows an authorized attacker to perform tampering locally...