Side Channel Vulnerability, Microarchitectural Data Sampling Advisory, SA-00233
Content Type: Product Information & Documentation | Article ID: 000033424 | Last Reviewed: 02/05/2026
On May 14, 2019, Intel and other industry partners shared more details and mitigation information about a group of vulnerabilities collectively called Microarchitectural Data Sampling (MDS).
MDS is a subclass of previously disclosed speculative execution side channel vulnerabilities. It was first identified by Intel's internal researchers and partners, and then independently reported by external researchers.
Details on the mitigations available by product can be found here.