Spoiler is a security vulnerability on modern computer central processing units that use speculative execution.

It exploits side-effects of speculative execution to improve the efficiency of Rowhammer and other related memory and cache attacks.

According to reports, all modern Intel Core CPUs are vulnerable to the attack as of 2019[update].

[3][4] Spoiler was issued a Common Vulnerabilities and Exposures ID of CVE-2019-0162.

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