October 23, 2025—KB5070879 (OS Build 25398.1916) Out-of-band

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October 24, 2025—KB5070892 (OS Build 20348.4297) Security Update for Windows Server Update Services

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October 23, 2025—KB5070881 (OS Build 26100.6905) Out-of-band

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October 23, 2025—KB5070883 (OS Build 17763.7922) Out-of-band

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October 23, 2025—KB5070882 (OS Build 14393.8524) Out-of-band

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October 24, 2025—KB5070893 (OS Build 26100.6905) Security Update for Windows Server Update Services

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KB5066840: Cumulative security update for Internet Explorer: October 14, 2025

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October 14, 2025—KB5066872 (Monthly Rollup)

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October 14, 2025—KB5066873 (Monthly Rollup)

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October 14, 2025—KB5066874 (Monthly Rollup)

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October 14, 2025—KB5066875 (Monthly Rollup)

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October 14, 2025—KB5066877 (Security-only update)

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VulnCheck KEV: CVE-2025-47827

IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image...

KB5066584: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 14, 2025

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KB5066586: Windows 10 version 1809 / Windows Server 2019 Security Update (October 2025)

The remote Windows host is missing security update 5066586. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

KB5066782: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (October 2025)

The remote Windows host is missing security update 5066782. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

KB5066780: Windows Server version 23H2 Security Update (October 2025)

The remote Windows host is missing security update 5066780. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

KB5066793: Windows 11 version 22H2 / Windows 11 version 23H2 Security Update (October 2025)

The remote Windows host is missing security update 5066793. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

KB5066835: Windows 11 Version 24H2 / Windows Server 2025 / Windows 11 Version 25H2 Security Update (October 2025)

The remote Windows host is missing security update 5066835. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

KB5066836: Windows 10 Version 1607 / Windows Server 2016 Security Update (October 2025)

The remote Windows host is missing security update 5066836. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...