Remember the Spectre CPU vulnerability that reared its head for the first time in 2017? Variant 2 of Spectre is back, and as such, Microsoft has published guidance about the mitigation.
Side-channel attacks RSS
An AMD fTPM side channel security flaw dubbed "faulTPM" has been discovered by researchers. This security bug can even bypass BitLocker and it affects modern Windows 11-supported Ryzen chips.
Microsoft has issued PowerShell scripts for multiple security vulnerabilities on Windows 11 and Windows 10. These are for speculative side channel attack CPU flaws, thirteen in total.
Modern Intel processors consisting of 10th Gen, 11th Gen and 12th Gen CPUs have been found to be vulnerable to a new "ÆPIC" security flaw. The vulnerability is able to exploit Intel's APIC MMIO.
AMD Zen-based processors with Simultaneous Multi-threading (SMT) like Ryzen, Threadripper, EPYC, and Athlon CPUs have been found to be vulnerable to a new “SQUIP” side-channel attack.
In light of the serious news of critical CPU vulnerabilities that could be leveraged to provide access to privileged memory, Microsoft has made changes to its browsers to subvert side-channel attacks.
