Microsoft has issued a warning regarding the need for a crucial Defender update for new installations of Windows 11 and Windows 10. This minor but essential security patch (version 1.429.122.0) is imperative for users setting up their systems from ISO files, as these images often don’t come equipped with the latest Defender protection.
Typically, Windows Defender updates are only applied after the setup process. Consequently, the this security vulnerability can leave newly installed systems open to known threats, as the defender files included in these installation images could be outdated by several weeks or even months. The recent update aims to ensure that OS images contain the latest malware definitions right from the start of the installation process.
This patch addresses a significant security gap that arises during the early stages of system startup, when new installations are particularly vulnerable. The update offers protection against various malware threats, including an infostealer named Lumma, which has reportedly impacted around 394,000 Windows PCs recently.
The update package includes:
This update is valid for Windows 11, Windows 10 (Home, Pro, and Enterprise), as well as Windows Server editions 2022, 2019, and 2016. For those looking to upgrade to Windows 11, particularly with its new CPU requirements for version 24H2, it’s vital to ensure that the installation media includes this update.
It’s worth pointing out that the latest security intelligence version currently available is 1.429.293.0. While the recent patch helps close the gap, users should expect to receive additional updates post-setup. Furthermore, Microsoft claims that this update may also enhance system performance, making it worthwhile even if security isn’t the primary concern for some users.
For more details, visit the update support page here.
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