Improper input validation in the SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to SMRAM potentially resulting in loss of confidentiality or integrity.
Exploitability
AV:LAC:LAT:NPR:HUI:NVulnerable System
VC:LVI:LVA:NSubsequent System
SC:NSI:NSA:N4.6/CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NOther