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

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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—KB5070887 (Monthly Rollup) Out-of-band

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October 23, 2025—KB5070886 (Monthly Rollup) Out-of-band

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October 23, 2025—KB5070884 (OS Build 20348.4297) 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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October 23, 2025—KB5070883 (OS Build 17763.7922) Out-of-band

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September 9, 2025—KB5065425 (OS Build 25398.1849)

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September 9, 2025—KB5065432 (OS Build 20348.4171)

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September 9, 2025—KB5065428 (OS Build 17763.7792)

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September 9, 2025—Hotpatch KB5065306 (OS Build 20348.4106)

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September 9, 2025—KB5065431 (OS Builds 22621.5909 and 22631.5909)

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PT-2025-41991

Name of the Vulnerable Software and Affected Versions Aruba Access Points affected versions not specified Description A security flaw allows an attacker to bypass the hardware root of trust verification, enabling the execution of modified or custom firmware on affected devices. This bypass impact...

IGEL OS Use of a Key Past its Expiration Date Vulnerability

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...

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...

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...

KB5066837: Windows 10 LTS 1507 Security Update (October 2025)

The remote Windows host is missing security update 5066837. 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...