CVE-2021-26316
high-risk
Published 2023-01-11
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.
Do I need to act?
-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (20)
Affected Vendors
References (4)
56
/ 100
high-risk
Severity
24/34 · High
Exploitability
0/34 · Minimal
Exposure
32/34 · Critical