Detections
Analytics

CVE-2025-31648

low

Description

Improper handling of values in the microcode flow for some Intel(R) Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (none) impacts.

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01396.html

Details

Source: Mitre, NVD

Published: 2026-02-10

Updated: 2026-02-10

Risk Information

CVSS v2

Base Score: 2.3

Vector: CVSS2#AV:L/AC:H/Au:M/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.9

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Severity: Low

CVSS v4

Base Score: 1.8

Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Severity: Low

EPSS

EPSS: 0.00004