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Spectre V1 has also been demonstrated to access protections provided by the System Management Range Register (SMRR) to access protected System Management Mode (SMM) memory.
https://blog.eclypsium.com/2018/05/17/system-management-mode-speculative-execution-attacks/
Spectre V1 has also been demonstrated vulnerable to attacks directly over the network rather than through local code execution such as JavaScript. This remote attack is known as NetSpectre.
https://misc0110.net/web/files/netspectre.pdf
Lazy FP
Lazy FP may particularly expose AES keys:
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