Spectre Variant 4 disclosed, mitigations to result in another performance hit May 22, 2018 by admin Tweet New variants of Spectre have been discovered by Microsoft and Google, which allow attackers to read privileged data. While mitigations will be available soon, they will result in a performance hit. Read more… Neowin Related Posts:Testing shows AMD Zen 4 handling Spectre, Retbleed…Even modern Intel CPUs are losing up to 36%…With its newfound retpoline Spectre patch, AMD CPUs…Microsoft shares official Windows Registry tweak as…Microsoft blocks BlackLotus Secure Boot mitigations…