The article describes a potential security regression, not a vulnerability, where the Google Pixel 11 series lacks the ARM Memory Tagging Extension (MTE) hardware feature. This omission prevents GrapheneOS from implementing its intended memory corruption exploit mitigations, significantly weakening a device's security posture when unlocked. As a result, GrapheneOS may drop support for the Pixel 11 and is currently recommending users opt for Pixel 8, 9, or 10 devices instead.
Hardware GrapheneOS may drop Pixel 11 support over missing MTE security feature September 1, 2026 Share By SC Staff (Adobe Stock) As reported by Cyber Insider, GrapheneOS, a privacy-focused Android project, has announced it may cease support for Google's Pixel 11 series due to the apparent absence of the ARM Memory Tagging Extension (MTE) hardware security feature. MTE is crucial for GrapheneOS's strategy to mitigate memory corruption exploits. The GrapheneOS team discovered the lack of MTE support after attempting a partial port to the Pixel 11. They stated that MTE is missing at software, firmware, and likely hardware levels, preventing them from meeting their security standards. MTE tags memory allocations to detect invalid accesses, a feature GrapheneOS has extensively used since the Pixel 8. Its absence significantly weakens protection against memory-corruption attacks, particularly when a device is unlocked. While the Pixel 11 includes other security enhancements like post-quantum signatures and a new Titan M3 chip, GrapheneOS argues these do not compensate for the loss of MTE. The project now recommends Pixel 8, 9, and 10 devices and is considering focusing resources on an upcoming Motorola partnership, expected to include MTE support. Users who purchased a Pixel 11 for GrapheneOS are advised to return it if possible. Source: Cyber Insider SC Staff Related Hardware Loongson processors vulnerable to LoongLeak cache attack SC Staff August 13, 2026 German researchers from the Helmholtz Center for Information Security discovered that Loongson processors, which utilize the LoongArch instruction set architecture, possess caches that leak data. Hardware Defcon badges feature new open-source chip for enhanced security SC Staff August 3, 2026 The Baochip-1x is a "mostly" open-source microcontroller that allows for verifiable security. Hardware New cyber-physical attack manipulates data center power consumption SC Staff July 9, 2026 Researchers at Zhejiang University have developed Bit2Watt, a proof-of-concept attack that abuses rented GPUs by running specialized workloads designed to rapidly fluctuate between high and low computational intensity. Get daily email updates SC Media's daily must-read of the most current and pressing daily news Business Email By clicking the Subscribe button below, you agree to SC Media Terms of Use and Privacy Policy . Subscribe You can skip this ad in 5 seconds