FP-DSS: Floating Point Divider State Sampling April 17, 2026 • 5 min read• Daniel Weber, Fabian Schwarz, Leon Trampert, Ruiyi Zhang, Michael SchwarzOur CPU fuzzer TREVEX found a new transient execution attack leaking data from floating point instructions.#CPU Security#Transient Execution
StackWarp: Exploiting Stack Layout Vulnerabilities in Modern Processors January 14, 2026 • 7 min read• Ruiyi ZhangWe are disclosing a novel CPU bug affecting AMD Zen 1-5 microarchitectures.#CPU Security#Trusted Execution Environments