CVE-2025-31648
LOW EPSS 3.2%
Published Feb 10, 20264mo ago · Modified Apr 15, 20262mo ago
1.8 CVSS 4.0
Published Feb 10, 2026 4mo ago
Last Modified Apr 15, 2026 2mo ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
3.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-229
References 1
- intel.com https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01396.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.