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Patch and lifecycle intelligence

Windows security updates and ageing hardware.

See the Microsoft vulnerabilities that need attention, upcoming Windows support deadlines and the practical signals that a business device is approaching replacement.

Microsoft security feed

Latest Windows vulnerabilities.

The list is collected from Microsoft Security Update Guide data and filtered to products containing Windows. Always validate applicability against your exact operating system, build and installed software.

Last collected 19/08/2026 07:33 from document 2026-Jul.

Important11/08/2026

CVE-2026-70354: .NET Core Remote Code Execution Vulnerability ↗

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)

CVSS: 7.8

Microsoft remediation: 5120418

Important11/08/2026

CVE-2026-65810: .NET Framework Elevation of Privilege Vulnerability ↗

Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 for x64-based Systems, Microsoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based Systems, Microsoft .NET Framework 3.5 on Windows 11 version 26H1 for x64-based Systems

CVSS: 7.8

Microsoft remediation: 5120711

Operating system lifecycle

Windows versions approaching end of support.

Unsupported software stops receiving normal security servicing. Dates are maintained from official Microsoft lifecycle pages and should be reviewed when Microsoft changes a release.

ProductEditionVersionSupport endsAction
Windows 10Home, Pro, Enterprise and Education22H214/10/2025End of standard support. Upgrade compatible devices to a supported Windows 11 release or replace the hardware. Microsoft source ↗
Windows 11Home and Pro23H211/11/2025Upgrade to a supported Windows 11 release. Microsoft source ↗
Windows 11Home and Pro24H213/10/2026Plan the feature update before the support deadline. Microsoft source ↗
Windows 11Enterprise and Education23H210/11/2026Plan the feature update before the support deadline. Microsoft source ↗
Windows 11Enterprise and Education24H212/10/2027Keep patch compliance under review and plan the next feature release. Microsoft source ↗
Windows 11Home and Pro25H212/10/2027Keep patch compliance under review and plan the next feature release. Microsoft source ↗
Windows 11Home and Pro26H114/03/2028This release is intended for qualifying new devices; keep lifecycle planning current. Microsoft source ↗
Windows 11Enterprise and Education25H210/10/2028Keep patch compliance under review and plan the next feature release. Microsoft source ↗
Windows 11Enterprise and Education26H113/03/2029This release is intended for qualifying new devices; keep lifecycle planning current. Microsoft source ↗
1

Age and warranty

Devices over the chosen replacement age, with expired warranties or a reached vendor end-of-life date are flagged for action.

2

Windows support

Windows 10 and Windows 11 releases past or within six months of end of support are highlighted automatically.

3

Automated inventory

The included PowerShell collector can report device, BIOS, processor and Windows release data from managed computers into the protected admin register.

Need a replacement and patch plan?

39Security can combine inventory, update compliance, Windows 11 readiness and a budgeted hardware lifecycle plan.

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