patches

Winsage
September 23, 2026
Security researcher Abdelhamid Naceri, known as Nightmare Eclipse, released a zero-day exploit called BigDiskBuster that targets Microsoft Defender, preventing antivirus updates and leaving systems vulnerable. BigDiskBuster operates across all supported Windows versions and must run in the background to block updates. Naceri has previously released a similar exploit called UnDefend and has a history of releasing multiple zero-day exploits since April 2026 amid a dispute with Microsoft. Two weeks before BigDiskBuster, he introduced another exploit named ShieldCrash, which grants SYSTEM access and circumvents a patched flaw. Naceri's recent exploits include tools like LegacyHive, BlueHammer, RedSun, YellowKey, GreenPlasma, and MiniPlasma, all targeting Microsoft Defender and other Windows components. Microsoft has warned of potential legal action against malicious activities but has not commented on BigDiskBuster.
BetaBeacon
September 22, 2026
Valve has open-sourced Lepton, a project designed to enable Android games to run on Linux through Steam, specifically for the upcoming Steam Frame hardware. Lepton runs Android games inside containers, with each application having its own container. It can utilize components from the host OS, supports integration with development and debugging tools, and incorporates patches from various projects. Lepton is not a desktop Android solution for Linux users but focuses on running games within Valve's Steam ecosystem. The source code for Lepton is available on Valve's SteamOS GitLab instance.
Winsage
September 22, 2026
Microsoft is modernizing the user experience in Windows 11 by redesigning all legacy dialog boxes in response to user feedback. March Rogers, Microsoft's design director, is leading this initiative to ensure consistency across the platform. Specific examples of outdated interfaces include the Speech settings dialog and the Windows recovery menu. Microsoft is using two strategies for updates: incremental updates, which introduce a dark theme across system dialogs, and comprehensive redesigns using the WinUI 3 framework. The Run menu has been completely revamped with a dark theme and improved features, while the previous version remains available for user preference. These updates are currently in test builds of Windows 11. Additionally, Microsoft is rolling out security patches and an emergency patch for issues from the September update.
Winsage
September 20, 2026
Microsoft resolved an issue in its Windows Security framework that incorrectly indicated Microsoft Defender Antivirus was disabled. This fix was implemented through Defender platform update 4.18.26080.4, released on September 17. The update installs automatically unless users have blocked mandatory security updates. Users had been receiving false alerts during system boot and intermittently afterward, which redirected them to the Windows Security home tab where settings appeared normal. Microsoft acknowledged the issue on August 28, affecting all supported versions of Windows and Windows Server with the latest Defender updates, but did not specify the triggering update. Users in the Windows Insider program reported similar warnings as early as June.
AppWizard
September 18, 2026
Google's September 2026 Pixel Update Bulletin includes patches that affect standard Android platform code, relevant to both Pixel and non-Pixel devices, which have not been included in the regular monthly Android Security Bulletin. GrapheneOS has noted that Android 17 QPR1 introduced new developer APIs not present in the Android Open Source Project (AOSP) for the first time since Android Honeycomb, with one new package and modifications to sixteen others. GrapheneOS is backporting Pixel firmware and drivers from QPR1 onto Android 17 but lacks permissions to distribute this work. Additionally, there has been a delay in Google’s compliance with a GPL source request, with access granted over two weeks after the initial request. Starting in 2027, Google will require all Android app developers to register with them and provide legal identification and signing key evidence, complicating the process of sideloading unverified apps. GrapheneOS and other organizations are advocating for the Keep Android Open campaign against these developments, which may restrict competition and tighten Google's control over the Android ecosystem.
AppWizard
September 18, 2026
The new AndroidX Security State libraries, with stable releases of Security State v1.1.0 and Security State Provider v1.0.0, allow developers to evaluate the security status of individual device components. They provide three levels of security patch information: Device Security Patch Level (DSPL), Published Security Patch Level (PSPL), and Available Security Patch Level (ASPL). These libraries enable checks on critical components of the Android operating system, including system modules and the Linux kernel, which are represented by version numbers rather than monthly patch dates. Applications that prioritize security can utilize this detailed patch information to assess vulnerabilities, particularly those tracked as Common Vulnerabilities and Exposures (CVEs). The libraries also integrate with the Open Source Vulnerabilities (OSV) database for access to Android Security Bulletin data and device-specific vulnerability reports. Additionally, Android 17 allows manufacturers to declare individual security fixes beyond the stated security patch level, and Google is working with manufacturers to transition their OTA update clients to this new standardized system.
BetaBeacon
September 17, 2026
Valve has opened the source code for Lepton, a compatibility layer for running Android games on Linux. Lepton is designed to work with the Steam client and focuses on getting Android games to run seamlessly on the Linux operating system. It is not intended for general Android use, but specifically for launching games. Lepton also offers features to assist game developers in bringing their VR Android games to Steam. Valve's commitment to open-source projects like Lepton benefits the wider Linux gaming community.
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