On September 11, 2018, Microsoft released Windows Server 2008 SP2 Monthly Rollup 4458010 and Security Only 4457984 for Windows Server 2008 that provide protections against a new speculative execution side-channel vulnerability known as L1 Terminal Fault (L1TF) affecting Intel® Core® processors and Intel® Xeon® processors (CVE-2018-3620 and CVE-2018-3646).