CVE-2018-12127: Microarchitectural Load Port Data Sampling (MLPDS): Load ports on some microprocessors utilizing speculativ...
Microarchitectural Load Port Data Sampling (MLPDS): Load ports on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
Security readout for executives and security teams
This is a hardware side-channel issue in some Intel CPUs. A local authenticated user could potentially infer sensitive data handled by the processor. It is not remotely exploitable from the network, but it matters on shared systems where untrusted users or workloads run on the same physical hardware. Exposure is most relevant for Intel CPU systems listed by Intel, especially virtualization hosts, shared compute, appliances, and servers allowing local users or tenant workloads. Product-specific exposure depends on Intel's impacted processor list and downstream vendor advisories. Treat this as a moderate confidentiality risk. Patch through normal emergency hardware and platform maintenance, with priority for shared infrastructure, virtualization hosts, and regulated workloads where data isolation matters. Mitigation focus: Review Intel SA-00233 and the impacted processor guidance.; Apply vendor-provided BIOS, firmware, microcode, operating system, and hypervisor updates.; Follow appliance vendor advisories for managed platforms such as Synology or Aruba..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cwe · medium confidence lookup
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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Intel CorporationCentral Processing Units (CPUs)A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdfListed
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-200 · source CWE mapping
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.