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Microsoft has issued a warning regarding a bug impacting Windows 11, version 24H2, when installed using media that includes the October or November 2024 security updates. The issue prevents affected systems from receiving further security updates. This vulnerability only surfaces when installing the operating system using USB drives or CDs that were created with the specific updates released between October 8th and November 12th of 2024. Devices updated through Windows Update or the Microsoft Update Catalog are not affected by the security flaw.

Microsoft advises users to avoid using installation media containing the October and November 2024 updates to install Windows 11. Users who have already installed the OS through an affected media are advised to either wait for a fix from Microsoft or uninstall the 24H2 update. The company is actively working on a resolution to this issue. To avoid this problem, it is recommended that installation media is created using the December 2024 security updates, which were released on December 10th, 2024, or later.

ImgSrc: cdn.vox-cdn.com

References:

• @BleepingComputer - Microsoft is warning of an issue when using a media support to install Windows 11, version 24H2, that causes the operating system to not accept further security updates. - 13d
• www.bleepingcomputer.com - Microsoft is warning of an issue when using a media support to install Windows 11, version 24H2, that causes the operating system to not accept further security updates. - 13d
• www.xda-developers.com - A Windows 11 update bug is leaving devices without security patches: here's how to dodge it - 13d
• cyberinsider.com - Microsoft Warns of Windows 11 Media Bug Blocking Security Updates - 13d
• The Verge - All Posts - The Verge article about the Windows 11 update bug. - 12d
• Techzine Global - Some Windows 11 versions are unable to receive security updates. This problem, according to Microsoft, occurs in specific versions that were installed via USB or CD. - 12d
• betanews.com - Microsoft warns of Windows 11 24H2 installation issue that blocks all future security updates - 12d
• Zak Doffman - Microsoft Warns Millions Of Windows Users—Do Not Install This Update On Your PC - 10d
• www.heise.de - Windows 11 24H2 prevents new updates when installing via USB stick Microsoft has confirmed an annoying bug in Windows 11 that prevents further updates of the operating system. There are still only wor - 10d

Classification:

• HashTags: Windows11 Microsoft SecurityBug
• Company: Microsoft
• Target: Windows 11 Users
• Product: Windows 11
• Feature: Security Updates
• Type: Bug
• Severity: Medium