CVE-2018-12130

MEDIUM
5.9
CVSS Score
Published: May 30, 2019 at 03:40 PM UTC
Updated: June 17, 2026 at 01:37 AM UTC
4 products affected across 2 vendorsFedoraMicroarchitectural Fill Buffer Data Sampling FirmwareMicroarchitectural Fill Buffer Data Sampling

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Severity
MEDIUM5.9
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers 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

Affected

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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