August 11, 2026-KB5120701 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2

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August 11, 2026-KB5120709 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2

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August 11, 2026-KB5120710 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

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August 11, 2026-KB5120708 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

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August 11, 2026-KB5120705 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022

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August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5120704)

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August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5120706)

None None...

August 11, 2026-KB5120711 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1

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

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September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5120695)

None None...

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 R2 (KB5120700)

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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)

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August 11, 2026-KB5120747 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 (build 28000) and later

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August 11, 2026-KB5120714 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022

None None...

September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5120716)

None None...

August 11, 2026-KB5120713 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2

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.NET Framework Elevation of Privilege Vulnerability

Incorrect authorization in .NET Framework allows an authorized attacker to elevate privileges over a network...

.NET Framework Remote Code Execution Vulnerability

Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally...

.NET Framework Elevation of Privilege Vulnerability

Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally...

PT-2026-70589

Name of the Vulnerable Software and Affected Versions .NET Framework affected versions not specified Description An integer overflow or wraparound occurs, allowing an unauthorized attacker to execute arbitrary code locally or remotely, which can affect the system. An integer overflow is a conditi...