CVE-2026-26154

Technical details about CVE-2026-26154 are not publicly provided in the supplied documents. Monitor official advisories for updates on affected products, impact, and remediation.

CVE-2026-26154 Windows Server Update Service (WSUS) Tampering Vulnerability

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April 14, 2026-KB5082414 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server 2019

April 14, 2026-KB5082414 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: April 14, 2026 Version: .NET Framework 3.5 and 4.8 The April 14, 2026 update for Windows 10, version 1809 and Windows Server 2019 includes security and...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5082398)

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 KB5082398 Applies to: Microsoft .NET Framework 3.5 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows...

April 14, 2026—KB5082142 (OS Build 20348.5020)

April 14, 2026—KB5082142 OS Build 20348.5020 This cumulative update for Windows Server 2022 KB5082142, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optiona...

Windows Server Update Service (WSUS) Tampering Vulnerability

Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network...

KB5082806: Cumulative security update for Internet Explorer: April 14, 2026

KB5082806: Cumulative security update for Internet Explorer: April 14, 2026 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs are...

April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5082400)

April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 KB5082400 Applies to: Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2 Important The installation of this Extende...

April 14, 2026—KB5082127 (Monthly Rollup)

April 14, 2026—KB5082127 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012. For a successful installation, please make sure all Subset of endpoints for ESU only ar...

April 14, 2026—KB5082060 (OS Build 25398.2274)

April 14, 2026—KB5082060 OS Build 25398.2274 This cumulative update for Windows Server, version 23H2 KB5082060, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates...

April 14, 2026-KB5082425 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022

April 14, 2026-KB5082425 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022 Release Date: April 14, 2026 Version: .NET Framework 3.5 and 4.8.1 The April 14, 2026 update for Windows Server 2022 includes security and cumulative reliability improvements in .NET Framework 3.5...

April 14, 2026-KB5082427 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022

April 14, 2026-KB5082427 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022 Release Date: April 14, 2026 Version: .NET Framework 3.5 and 4.8 The April 14, 2026 update for Windows Server 2022 includes security and cumulative reliability improvements in .NET Framework 3.5 and...

April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 (KB5082402)

April 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 KB5082402 Applies to: Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2 Important The installation of this...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5082406)

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 KB5082406 Applies to: Microsoft .NET Framework 3.5 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running...

April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5082404)

April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 KB5082404 Applies to: Microsoft .NET Framework 4.8 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running...

April 14, 2026—KB5082198 (OS Build 14393.9060)

April 14, 2026—KB5082198 OS Build 14393.9060 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated ...

April 14, 2026—KB5082123 (OS Build 17763.8644)

April 14, 2026—KB5082123 OS Build 17763.8644 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated ...

April 14, 2026—KB5082126 (Monthly Rollup)

April 14, 2026—KB5082126 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make sure all Subset of endpoints for ESU only...

April 14, 2026—KB5082063(OS Build 26100.32690)

April 14, 2026—KB5082063OS Build 26100.32690 ​​​​​This cumulative update for Windows Server 2025 KB5082063, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates,...

April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5082403)

April 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 KB5082403 Applies to: Microsoft .NET Framework 4.8 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows...